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Blender 3.0 cannot import FBX (containing more than 8 UV layers) #93541

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opened 2021-12-01 15:47:40 +01:00 by Carlos Muñoz · 40 comments
Carlos Muñoz commented 2021-12-01 15:47:40 +01:00
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System Information
Operating system: Windows-10-10.0.19041-SP0 64 Bits
Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.79

Blender Version
Broken: version: 3.0.0 Release Candidate, branch: master, commit date: 2021-11-30 10:50, hash: blender/blender@4b971bb87c
Worked: 2.93.0 - 2.93.7

Caused by blender/blender@04b4ec7889

Short description of error
Blender 3.0 cannot import some Mixamo animations. But Blender 2.93 does it right.
Apparently the issue is related to the amount of UV maps.

Exact steps for others to reproduce the error
Just try to import the fbx I attached (excuse me for the file size)

Walking.fbx

imagen.png

**System Information** Operating system: Windows-10-10.0.19041-SP0 64 Bits Graphics card: GeForce GTX 970/PCIe/SSE2 NVIDIA Corporation 4.5.0 NVIDIA 460.79 **Blender Version** Broken: version: 3.0.0 Release Candidate, branch: master, commit date: 2021-11-30 10:50, hash: `blender/blender@4b971bb87c` Worked: 2.93.0 - 2.93.7 Caused by blender/blender@04b4ec7889 **Short description of error** Blender 3.0 cannot import some Mixamo animations. But Blender 2.93 does it right. Apparently the issue is related to the amount of UV maps. **Exact steps for others to reproduce the error** Just try to import the fbx I attached (excuse me for the file size) [Walking.fbx](https://archive.blender.org/developer/F12673454/Walking.fbx) ![imagen.png](https://archive.blender.org/developer/F12673442/imagen.png)
Carlos Muñoz commented 2021-12-01 15:47:40 +01:00
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Added subscriber: @carlosmu

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blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#95077 was marked as duplicate of this issue

blender/blender#95077 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#94941 was marked as duplicate of this issue

blender/blender#94941 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#94485 was marked as duplicate of this issue

blender/blender#94485 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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#94343 was marked as duplicate of this issue

#94343 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#94236 was marked as duplicate of this issue

blender/blender#94236 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#94138 was marked as duplicate of this issue

blender/blender#94138 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#94007 was marked as duplicate of this issue

blender/blender#94007 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#93912 was marked as duplicate of this issue

blender/blender#93912 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#93897 was marked as duplicate of this issue

blender/blender#93897 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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blender/blender#93823 was marked as duplicate of this issue

blender/blender#93823 was marked as duplicate of this issue
blender-admin commented 2021-12-01 15:47:40 +01:00
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#93221 was marked as duplicate of this issue

#93221 was marked as duplicate of this issue
Pratik Borhade commented 2021-12-01 18:45:58 +01:00
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Pratik Borhade commented 2021-12-01 19:07:08 +01:00
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Added subscriber: @HectorDeAnda

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Pratik Borhade commented 2021-12-01 19:09:42 +01:00
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Changed status from 'Needs Triage' to: 'Confirmed'

Changed status from 'Needs Triage' to: 'Confirmed'
Jesse Yurkovich commented 2021-12-02 00:15:39 +01:00
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Jesse Yurkovich commented 2021-12-02 00:15:39 +01:00
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Technically the older versions are also broken a bit. The model contains 9 UV maps which exceeds the blender limitation of 8 for a given mesh. With older versions only the first 8 UV maps were imported and the rest were dropped. In new blender versions this situation is now surfaced as an Error.

I'll put together a patch a bit later to get back to the previous behavior at least. The addon didn't change but it looks like blender itself now surfaces the error and the addon was not expecting that. We may want another option to still fail on this type of error but I'll see what comes up during the review.

Technically the older versions are also broken a bit. The model contains 9 UV maps which exceeds the blender limitation of 8 for a given mesh. With older versions only the first 8 UV maps were imported and the rest were dropped. In new blender versions this situation is now surfaced as an Error. I'll put together a patch a bit later to get back to the previous behavior at least. The addon didn't change but it looks like blender itself now surfaces the error and the addon was not expecting that. We may want another option to still fail on this type of error but I'll see what comes up during the review.
Carlos Muñoz commented 2021-12-02 00:42:29 +01:00
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Awesome! Thanks!
I think the best thing would be to import it anyway and warn that some data was not loaded correctly.

Awesome! Thanks! I think the best thing would be to import it anyway and warn that some data was not loaded correctly.
Philipp Oeser commented 2021-12-02 15:47:56 +01:00
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Philipp Oeser commented 2021-12-02 15:47:56 +01:00
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Oops, that was caused by blender/blender@04b4ec7889

Oops, that was caused by blender/blender@04b4ec7889
Philipp Oeser self-assigned this 2021-12-02 15:48:16 +01:00
Philipp Oeser changed title from Blender 3.0 cannot import some Mixamo animations. to Blender 3.0 cannot import FBX (containing more than 8 UV layers) 2021-12-02 16:17:51 +01:00
Julien Duroure commented 2021-12-02 17:30:25 +01:00
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Julien Duroure commented 2021-12-02 17:31:23 +01:00
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Probably also an issue for glTF importer

Probably also an issue for glTF importer
blender-admin commented 2021-12-03 07:01:10 +01:00
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This issue was referenced by blender/blender@c37cd35469

This issue was referenced by blender/blender@c37cd3546904ce73ad57f9de73427a585c583b12
blender-admin commented 2021-12-03 07:01:10 +01:00
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This issue was referenced by blender/blender@7c4fc5b58d

This issue was referenced by blender/blender@7c4fc5b58d2e7982aefbba093cb8f1dc36b64884
Campbell Barton commented 2021-12-03 07:07:57 +01:00
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Changed status from 'Confirmed' to: 'Resolved'

Changed status from 'Confirmed' to: 'Resolved'
Richard Antalik commented 2021-12-07 19:10:59 +01:00
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Added subscribers: @RichardLyons, @iss

Added subscribers: @RichardLyons, @iss
Jesse Yurkovich commented 2021-12-09 12:18:17 +01:00
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Carlos Muñoz commented 2021-12-09 14:39:12 +01:00
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Would this be merged into 3.0.1 or do we have to wait for 3.1? Thanks!

Would this be merged into 3.0.1 or do we have to wait for 3.1? Thanks!
Philipp Oeser commented 2021-12-09 14:42:42 +01:00
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blender/blender@7c4fc5b58d is already on the list for 3.0.1 (if it comes out, but I would guess so), see blender/blender#93479 (3.0 Potential candidates for corrective releases)

blender/blender@7c4fc5b58d is already on the list for 3.0.1 (if it comes out, but I would guess so), see blender/blender#93479 (3.0 Potential candidates for corrective releases)
Richard Antalik commented 2021-12-09 21:21:33 +01:00
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Philipp Oeser commented 2021-12-13 09:54:36 +01:00
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Pratik Borhade commented 2021-12-16 05:47:33 +01:00
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Jesse Yurkovich commented 2021-12-18 23:37:05 +01:00
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patrick gaunt commented 2021-12-22 23:11:55 +01:00
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patrick gaunt commented 2021-12-22 23:11:55 +01:00
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This change looks like it's been approved and committed but the 3.0.0 stable daily build still doesn't work. I have to install 3.1 alpha.
Which is alpha.
Therefore not stable!!

Is there a reason for this? What is the logic behind producing a stable daily build, which claims to include "cool bug fixes", if it doesn't include bug fixes? Have I missed something?

This change looks like it's been approved and committed but the 3.0.0 stable daily build still doesn't work. I have to install 3.1 alpha. Which is alpha. Therefore not stable!! Is there a reason for this? What is the logic behind producing a stable daily build, which claims to include "cool bug fixes", if it doesn't include bug fixes? Have I missed something?
Pratik Borhade commented 2021-12-23 12:38:14 +01:00
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Pratik Borhade commented 2021-12-30 07:12:07 +01:00
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Jesse Yurkovich commented 2022-01-15 22:26:11 +01:00
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Pratik Borhade commented 2022-01-20 10:19:21 +01:00
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Isaiah Ioane commented 2022-10-20 15:58:33 +02:00
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