FBX export error if there is an action in NLA tweakmode #93209

New Issue

Philipp Oeser · 2021-11-19T12:12:56+01:00

Philipp Oeser commented

2021-11-19 12:12:56 +01:00

System Information
Operating system: Linux-5.13.0-0.rc6.45.fc35.x86_64-x86_64-with-glibc2.34.9000 64 Bits
Graphics card: NVIDIA GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 465.31

Blender Version
Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-11-14 00:26, hash: blender/blender@7e82c840b7
Worked: never

Short description of error
FBX export error if there is an action in NLA tweakmode.
That action is then readonly and cannot be set to None (as the code tries to do)

Exact steps for others to reproduce the error
#77602.blend

Open .blend
Export > FBX

Python: Traceback (most recent call last):
  File "/scripts/addons/io_scene_fbx/__init__.py", line 644, in execute
    return export_fbx_bin.save(self, context, **keywords)
  File "/scripts/addons/io_scene_fbx/export_fbx_bin.py", line 3201, in save
    ret = save_single(operator, context.scene, depsgraph, filepath, **kwargs_mod)
  File "/scripts/addons/io_scene_fbx/export_fbx_bin.py", line 3082, in save_single
    scene_data = fbx_data_from_scene(scene, depsgraph, settings)
  File "/scripts/addons/io_scene_fbx/export_fbx_bin.py", line 2461, in fbx_data_from_scene
    animations, animated, frame_start, frame_end = fbx_animations(tmp_scdata)
  File "/scripts/addons/io_scene_fbx/export_fbx_bin.py", line 2096, in fbx_animations
    ob.animation_data.action = None
AttributeError: bpy_struct: attribute "action" from "AnimData" is read-only

location: <unknown location>:-1

**System Information** Operating system: Linux-5.13.0-0.rc6.45.fc35.x86_64-x86_64-with-glibc2.34.9000 64 Bits Graphics card: NVIDIA GeForce GTX 970M/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 465.31 **Blender Version** Broken: version: 3.1.0 Alpha, branch: master, commit date: 2021-11-14 00:26, hash: `blender/blender@7e82c840b7` Worked: never **Short description of error** FBX export error if there is an action in NLA tweakmode. That action is then readonly and cannot be set to None (as the code tries to do) **Exact steps for others to reproduce the error** [#77602.blend](https://archive.blender.org/developer/F11828555/T77602.blend) - Open .blend - Export > FBX ``` Python: Traceback (most recent call last): File "/scripts/addons/io_scene_fbx/__init__.py", line 644, in execute return export_fbx_bin.save(self, context, **keywords) File "/scripts/addons/io_scene_fbx/export_fbx_bin.py", line 3201, in save ret = save_single(operator, context.scene, depsgraph, filepath, **kwargs_mod) File "/scripts/addons/io_scene_fbx/export_fbx_bin.py", line 3082, in save_single scene_data = fbx_data_from_scene(scene, depsgraph, settings) File "/scripts/addons/io_scene_fbx/export_fbx_bin.py", line 2461, in fbx_data_from_scene animations, animated, frame_start, frame_end = fbx_animations(tmp_scdata) File "/scripts/addons/io_scene_fbx/export_fbx_bin.py", line 2096, in fbx_animations ob.animation_data.action = None AttributeError: bpy_struct: attribute "action" from "AnimData" is read-only location: <unknown location>:-1 ```

Philipp Oeser commented

2021-11-19 12:12:56 +01:00

Added subscriber: @lichtwerk

Philipp Oeser self-assigned this 2021-11-19 12:13:23 +01:00

Philipp Oeser commented

2021-11-19 12:13:23 +01:00

Changed status from 'Needs Triage' to: 'Confirmed'