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Wizard","\u002Fdocs\u002Fnodes\u002Fsurface-wizard","1.docs\u002F7.Nodes\u002Fsurface-wizard",{"title":531,"path":532,"stem":533},"Switch","\u002Fdocs\u002Fnodes\u002Fswitch","1.docs\u002F7.Nodes\u002Fswitch",{"title":535,"path":536,"stem":537},"Treeparameterize","\u002Fdocs\u002Fnodes\u002Ftreeparameterize","1.docs\u002F7.Nodes\u002Ftreeparameterize",{"title":93,"path":539,"stem":540},"\u002Fdocs\u002Fnodes\u002Ftrunk-decoration","1.docs\u002F7.Nodes\u002Ftrunk-decoration",{"title":542,"path":543,"stem":544},"Unreal Wizard (Deprecated)","\u002Fdocs\u002Fnodes\u002Funreal-wizard","1.docs\u002F7.Nodes\u002Funreal-wizard",{"title":546,"path":547,"stem":548},"Wind Config","\u002Fdocs\u002Fnodes\u002Fwind-config","1.docs\u002F7.Nodes\u002Fwind-config",{"title":550,"path":551,"stem":552},"Wind Previs","\u002Fdocs\u002Fnodes\u002Fwind-previs","1.docs\u002F7.Nodes\u002Fwind-previs",{"title":554,"path":555,"stem":556},"Wrangle","\u002Fdocs\u002Fnodes\u002Fwrangle","1.docs\u002F7.Nodes\u002Fwrangle",{"id":558,"title":242,"body":559,"description":1195,"extension":1196,"meta":1197,"navigation":1198,"path":243,"seo":1199,"stem":244,"__hash__":1211},"docs\u002F1.docs\u002F6.help\u002F03.troubleshooting.md",{"type":560,"value":561,"toc":1171},"minimark",[562,576,581,584,611,615,618,629,640,644,665,668,672,802,804,808,813,816,843,847,867,871,891,895,922,926,946,950,957,959,963,973,977,999,1003,1012,1030,1036,1050,1054,1068,1072,1086,1088,1092,1100,1147,1151],[563,564,565,566,570,571,575],"p",{},"When something in Natsura misbehaves, the fastest path to a fix is to narrow down ",[567,568,569],"em",{},"where"," it broke before changing anything. This page covers the general moves, then the specific areas: FAQ, common issues, and install\u002Fupgrade. For export problems specifically, see ",[572,573,574],"a",{"href":193},"Nanite & Unreal troubleshooting",".",[577,578,580],"h2",{"id":579},"read-the-error-first","Read the error first",[563,582,583],{},"Most Natsura errors name the node and the condition. Before changing parameters:",[585,586,587,595,605],"ol",{},[588,589,590,594],"li",{},[591,592,593],"strong",{},"Note which node is flagged."," A red node is where the cook failed; an orange flag is usually a warning (stale effector, missing input) that does not stop the cook.",[588,596,597,600,601,604],{},[591,598,599],{},"Read the message"," in the status bar or the node's error dialog (right-click the node → ",[591,602,603],{},"Errors and Warnings",", or hover the error badge).",[588,606,607,610],{},[591,608,609],{},"Check the node directly upstream."," Many \"this node is broken\" reports are actually an empty or wrong input one step up.",[577,612,614],{"id":613},"where-the-natsura-log-lives","Where the Natsura log lives",[563,616,617],{},"Natsura writes one log file per Houdini session:",[619,620,626],"pre",{"className":621,"code":623,"language":624,"meta":625},[622],"language-text","%APPDATA%\u002Fnatsura\u002Flogs\u002Fnatsura-YYYY-MM-DD-HHMMSS.log\n","text","",[627,628,623],"code",{"__ignoreMap":625},[563,630,631,632,635,636,639],{},"The most recent file is the current session. When reporting a problem, attach it; it carries warnings and errors that never reach the viewport. For more detail, turn on verbose logging in ",[591,633,634],{},"Settings → Diagnostics","; the ",[591,637,638],{},"About"," dialog has a copy-to-clipboard for the current session's log lines.",[577,641,643],{"id":642},"narrow-it-down","Narrow it down",[645,646,647,653,659],"ul",{},[588,648,649,652],{},[591,650,651],{},"Does it happen on a fresh scene?"," Open a bundled example and try to reproduce. If the example works and your scene doesn't, the problem is scene-specific.",[588,654,655,658],{},[591,656,657],{},"Does it happen after a reload?"," Some issues only appear on first use of a node and clear after a copy-paste or scene reload (see Common Issues below). Note whether a reload fixes it; that detail helps us.",[588,660,661,664],{},[591,662,663],{},"Is it a display problem or a data problem?"," Toggle the node's display flag and check the geometry spreadsheet. If the data is correct but the viewport is wrong, it's a display issue, not a cook failure.",[666,667],"hr",{},[577,669,671],{"id":670},"frequently-asked-questions","Frequently asked questions",[673,674,675,696,707,714,728,750,760,771,790],"accordion",{},[676,677,680],"accordion-item",{"icon":678,"label":679},"i-lucide-box","Which Houdini versions does Natsura support?",[563,681,682,685,686,689,690,693,694,575],{},[591,683,684],{},"Houdini 20.5"," and ",[591,687,688],{},"Houdini 21.0",", ",[591,691,692],{},"Python 3.11 production builds only",", not Python 3.10, and not daily \u002F experimental builds. See ",[572,695,14],{"href":15},[676,697,700],{"icon":698,"label":699},"i-lucide-badge-check","What's the difference between the licensing tiers?",[563,701,702,703,706],{},"If a feature works for some users but not others, check your tier first; some capabilities differ between Indie and the higher tiers. (The exact per-tier feature matrix is being confirmed; see ",[572,704,705],{"href":223},"Requirements"," for the licensing model.)",[676,708,711],{"icon":709,"label":710},"i-lucide-graduation-cap","Can I use Natsura on Houdini Apprentice?",[563,712,713],{},"Houdini Apprentice imposes its own limits: it caps export and resolution, and some operations raise errors that don't occur on a commercial license. Natsura runs on Apprentice for learning, but Apprentice is not suitable for production export.",[676,715,718],{"icon":716,"label":717},"i-lucide-school","Does Natsura support educational licenses?",[563,719,720,721,727],{},"Contact ",[591,722,723],{},[572,724,726],{"href":725},"mailto:support@natsura.com","support@natsura.com"," about educational use.",[676,729,732],{"icon":730,"label":731},"i-lucide-gamepad-2","How do I get a Natsura tree into Unreal?",[563,733,734,735,739,740,743,744,746,747,749],{},"Use the ",[591,736,737],{},[572,738,376],{"href":377}," node. It writes a USD scene (geometry, rig, skin weights, instance hierarchy) plus a ",[627,741,742],{},"wind.json"," sidecar that Unreal consumes as a Nanite Skeletal Assembly. See ",[572,745,188],{"href":189}," for the import side, and ",[572,748,574],{"href":193}," when something doesn't come across.",[676,751,754],{"icon":752,"label":753},"i-lucide-eye-off","My tree isn't showing up, is it broken?",[563,755,756,757,759],{},"Often it's a refresh problem, not a broken node. A few areas (assembly decoration, trunk decoration on a fresh Grow) sometimes produce nothing on first use and clear after a small nudge. See ",[591,758,246],{}," below.",[676,761,764],{"icon":762,"label":763},"i-lucide-gauge","Why is the viewport so slow when I drag a parameter?",[563,765,766,767,770],{},"Heavy trees re-cook on every change, and some setups currently cook more than once per change. Switch the viewport to ",[591,768,769],{},"On Mouse Up"," (bottom-right of Houdini), author at a lower simulation resolution, and raise it for the final result.",[676,772,775],{"icon":773,"label":774},"i-lucide-database","Where are my settings stored? Do they survive an update?",[563,776,777,778,781,782,785,786,789],{},"Natsura preferences live in a single ",[627,779,780],{},"natsura.pref"," file in your user data; logs live under ",[627,783,784],{},"%APPDATA%\u002Fnatsura\u002Flogs\u002F",". When you update Natsura, ",[591,787,788],{},"delete the old package folder before installing the new one"," rather than overwriting it (see Install & Upgrade below).",[676,791,794],{"icon":792,"label":793},"i-lucide-bug","How do I report a bug?",[563,795,796,797,801],{},"Email ",[591,798,799],{},[572,800,726],{"href":725}," with your Houdini and Natsura versions, the log file, the exact error, and a reproducer scene if you can. The more specific, the faster we can fix it.",[666,803],{},[577,805,807],{"id":806},"common-issues","Common issues",[809,810,812],"h3",{"id":811},"my-tree-disappeared-nodes-not-refreshing","\"My tree disappeared\" \u002F nodes not refreshing",[563,814,815],{},"Several decoration setups can show nothing on first use, then work after a small nudge. This is a refresh problem, not lost data; the underlying cause is live UI not always reacting to graph changes, and fixes are in progress.",[645,817,818,828,834],{},[588,819,820,823,824,827],{},[591,821,822],{},"Tree not rendering in assembly decoration."," Toggle the core decoration block's ",[591,825,826],{},"bypass"," off and on to force a refresh.",[588,829,830,833],{},[591,831,832],{},"Assembly decoration shows nothing."," It needs a linked Grow and a resource. Wire an assembly resource and link the decoration to a Grow; nudging the result (bypass toggle, or moving a branch into view) forces it to appear.",[588,835,836,839,840],{},[591,837,838],{},"Trunk decoration on a Grow does nothing on first use."," Copy the Grow, paste it, and use the copy. ",[567,841,842],{},"(Targeted for a patch; confirm whether still needed in your version.)",[809,844,846],{"id":845},"effectors-not-detected-after-wiring","Effectors not detected after wiring",[645,848,849,855,861],{},[588,850,851,854],{},[591,852,853],{},"Press the refresh \u002F detect button"," on the Grow to pick up a newly wired effector. Detection currently runs per effector; adding one doesn't re-scan for others.",[588,856,857,860],{},[591,858,859],{},"Removing an effector can leave stale parameters behind"," (an orphaned effector shows a warning flag). Remove the stale parameter or reconnect the effector.",[588,862,863,866],{},[591,864,865],{},"Renaming an effector node can create a duplicate parameter."," If you see two entries, remove the stale (old-named) one.",[809,868,870],{"id":869},"mappings-behave-unexpectedly","Mappings behave unexpectedly",[645,872,873,879,885],{},[588,874,875,878],{},[591,876,877],{},"Renaming a map can change the result",", a map's name is used as an identifier, so renaming it can re-bind what it drives. Set the name you want before wiring it, and avoid renaming a map that's already driving parameters.",[588,880,881,884],{},[591,882,883],{},"Changing a mapping doesn't update the tree."," The value can appear cached; force a re-cook (toggle the node's bypass, or nudge the source input range).",[588,886,887,890],{},[591,888,889],{},"A mapping works on one parameter but not another."," Verify the source input range is set for the parameter you're actually driving.",[809,892,894],{"id":893},"cooking-staleness-and-performance","Cooking, staleness, and performance",[645,896,897,906,912],{},[588,898,899,902,903,905],{},[591,900,901],{},"Slow viewport when dragging parameters."," Heavy trees re-cook on every change. Switch to ",[591,904,769],{},", author at a lower resolution, raise it for the final.",[588,907,908,911],{},[591,909,910],{},"Double or triple cooking."," Stale cook triggers can cause redundant cooks. If a change doesn't seem to register, force a clean re-cook.",[588,913,914,917,918,921],{},[591,915,916],{},"Freezes \u002F \"Not responding.\""," Lower resolution, work in stages, and save often. If a freeze looks log-related, restart Houdini with ",[627,919,920],{},"NATSURA_LOG_DISABLED=1"," set to rule out the log subsystem.",[809,923,925],{"id":924},"display-glitches","Display glitches",[645,927,928,934,940],{},[588,929,930,933],{},[591,931,932],{},"Node \u002F debug colours not showing",", or the debug-colour toggle not persisting between sessions.",[588,935,936,939],{},[591,937,938],{},"Bounding-box display affected by viewport lighting",", a display-only artifact; the geometry is unchanged.",[588,941,942,945],{},[591,943,944],{},"Scale \u002F layout shifts when switching scenes",", viewport elements can be displaced after a scene switch.",[809,947,949],{"id":948},"oversized-panels","Oversized panels",[563,951,952,953,956],{},"If a decorator \u002F resource selector dropdown won't let you enter submenus, the ",[591,954,955],{},"UI panel may be too large",". Shrink the panel so the submenu items become reachable.",[666,958],{},[577,960,962],{"id":961},"install-upgrade","Install & upgrade",[563,964,965,966,968,969,972],{},"For a clean first install, follow ",[572,967,14],{"href":15}," (or ",[572,970,971],{"href":235},"Package Install",") and its troubleshooting accordion. This section covers upgrades, overwrite problems, and licensing limits.",[809,974,976],{"id":975},"natsura-doesnt-load-at-all","Natsura doesn't load at all",[563,978,979,980,983,984,987,988,990,991,994,995,998],{},"Work through the install guide's troubleshooting accordion first (wrong Houdini build, misplaced\u002Fmisnamed ",[627,981,982],{},"natsura.json",", backslashes in JSON paths, a conflicting package). Then confirm the package loaded: ",[591,985,986],{},"Help → About Houdini → Show Details → Packages",", find ",[627,989,982],{},", check ",[627,992,993],{},"enable"," is ",[627,996,997],{},"true"," and there are no Natsura errors.",[809,1000,1002],{"id":1001},"upgrading-natsura","Upgrading Natsura",[1004,1005,1006],"warning",{},[563,1007,1008,1011],{},[591,1009,1010],{},"Delete the old Natsura package folder before installing a new version. Do not overwrite in place",": overwriting leaves stale state behind (old examples persist, lingering files cause confusing behaviour).",[585,1013,1014,1017,1024,1027],{},[588,1015,1016],{},"Close Houdini.",[588,1018,1019,1020,1023],{},"Delete the old Natsura folder (e.g. ",[627,1021,1022],{},"Documents\u002Fnatsura\u002Fhoudini20.5\u002F",").",[588,1025,1026],{},"Unzip the new build into the same location.",[588,1028,1029],{},"Start Houdini and confirm Natsura loads via the Packages report.",[563,1031,1032,1033,1035],{},"Your ",[627,1034,982],{}," doesn't need to change between versions unless the paths move.",[563,1037,1038,1041,1042,1045,1046,1049],{},[591,1039,1040],{},"Permission errors \u002F incomplete trees after upgrading:"," make sure Houdini was fully closed during the upgrade; confirm Natsura isn't under a protected or cloud-synced location (",[627,1043,1044],{},"C:\u002FProgram Files\u002F...",", aggressive cloud-sync folders), use ",[627,1047,1048],{},"Documents\u002Fnatsura","; older scenes may need re-opening so the upgrade pass can run.",[809,1051,1053],{"id":1052},"houdini-apprentice-and-indie-limits","Houdini Apprentice and Indie limits",[645,1055,1056,1062],{},[588,1057,1058,1061],{},[591,1059,1060],{},"Apprentice"," caps export and resolution and raises errors on operations a commercial license allows. Fine for learning, not for production export.",[588,1063,1064,1067],{},[591,1065,1066],{},"Indie"," has known differences from FX\u002Fcommercial tiers; some features behave differently or are unavailable. If something works for a colleague but not for you, check your Houdini and Natsura tiers.",[809,1069,1071],{"id":1070},"examples-and-shelf-missing","Examples and shelf missing",[645,1073,1074,1080],{},[588,1075,1076,1079],{},[591,1077,1078],{},"A bundled example appears broken or errors when dragged in",": make sure you're on a current build and did a clean install (stale examples from an overwrite are a common cause).",[588,1081,1082,1085],{},[591,1083,1084],{},"The Natsura shelf is missing",": confirm the package loaded (Packages report) and that you're not in a mode that hides it.",[666,1087],{},[577,1089,1091],{"id":1090},"what-to-send-support","What to send support",[563,1093,1094,1095,1099],{},"If you're stuck, email ",[591,1096,1097],{},[572,1098,726],{"href":725}," with:",[645,1101,1102,1115,1124,1134,1140],{},[588,1103,1032,1104,1107,1108,1111,1112,575],{},[591,1105,1106],{},"Houdini version"," (full, e.g. ",[627,1109,1110],{},"20.5.684 – Py3.11",") and ",[591,1113,1114],{},"OS",[588,1116,1032,1117,1120,1121,1123],{},[591,1118,1119],{},"Natsura version"," (shown in the ",[591,1122,638],{}," dialog).",[588,1125,1126,1127,1130,1131,1133],{},"The ",[591,1128,1129],{},"log file"," for the session where it happened, and the full contents of your ",[627,1132,982],{}," for install issues.",[588,1135,1126,1136,1139],{},[591,1137,1138],{},"exact error text"," and the steps that reproduce it.",[588,1141,1142,1143,1146],{},"A small ",[591,1144,1145],{},"example scene"," if you can share one; a reproducer is the single most useful thing you can send.",[577,1148,1150],{"id":1149},"related","Related",[645,1152,1153,1161,1166],{},[588,1154,1155,1157,1158,1160],{},[572,1156,14],{"href":15}," · ",[572,1159,971],{"href":235},", install guides with their own troubleshooting accordions.",[588,1162,1163,1165],{},[572,1164,574],{"href":193},", export, materials, skeleton, and wind problems.",[588,1167,1168,1170],{},[572,1169,48],{"href":49},", Natsura and botanical terms.",{"title":625,"searchDepth":1172,"depth":1172,"links":1173},2,[1174,1175,1176,1177,1178,1187,1193,1194],{"id":579,"depth":1172,"text":580},{"id":613,"depth":1172,"text":614},{"id":642,"depth":1172,"text":643},{"id":670,"depth":1172,"text":671},{"id":806,"depth":1172,"text":807,"children":1179},[1180,1182,1183,1184,1185,1186],{"id":811,"depth":1181,"text":812},3,{"id":845,"depth":1181,"text":846},{"id":869,"depth":1181,"text":870},{"id":893,"depth":1181,"text":894},{"id":924,"depth":1181,"text":925},{"id":948,"depth":1181,"text":949},{"id":961,"depth":1172,"text":962,"children":1188},[1189,1190,1191,1192],{"id":975,"depth":1181,"text":976},{"id":1001,"depth":1181,"text":1002},{"id":1052,"depth":1181,"text":1053},{"id":1070,"depth":1181,"text":1071},{"id":1090,"depth":1172,"text":1091},{"id":1149,"depth":1172,"text":1150},"[object Object]","md",{},true,{"title":242,"description":1200},{"Diagnose and fix common Natsura problems in Houdini":1201,"tags":1202,"sidebar":1210},"reading errors, the log file, refresh\u002Fcooking issues, mappings and effectors, install and upgrade, licensing, and what to send support.",[1203,1204,1205,1206,1207,1208,1209],"natsura","troubleshooting","debugging","faq","install","support","getting-started",{"label":242},"3WIsAJdKlS72xXR3WzATh6RzhEgFAlGibxsIXdZx22s",[1213,1215],{"title":238,"path":239,"stem":240,"description":1214,"children":-1},"How to move Natsura to a new version, and what to do when a scene built in an older version needs bringing up to date.",{"title":246,"path":247,"stem":248,"description":1216,"children":-1},"The problems that come up most often in Natsura, with quick fixes. For the general approach to diagnosing a problem, see Troubleshooting.",1780555256774]