Modifier targets sometimes being lost on overrides #85041

New Issue

Demeter Dzadik · 2021-01-25T13:02:54+01:00

Demeter Dzadik commented

2021-01-25 13:02:54 +01:00

This report will probably be incomplete for a while, in the sense that reproduction steps are still unclear, but I thought it would be nice to put this somewhere regardless.

It seems sometimes(and the big question is when) the target object of modifiers on overridden objects gets "lost", in the sense that they remain in an overridden state, but they are being overridden to nothing(no object selected).

So far this only happened about 2 or 3 times, and so far specifically with Surface Deform modifier - perhaps the issue is specific to that one modifier, but perhaps a coincidence.

An example file can be found in the Sprites svn, under bugs/rex_logbridge_surface_deform_override.blend.

The issue can be fixed by either:

Reset and Resync entire override hierarchy
Remove Override on the empty modifier targets, then resync
Simply select the correct object for the modifier targets.

But despite the available workarounds, this is an annoyance and could result in major time lost if it continues happening throughout production, so I'd be curious for any theories on what could cause this to happen in the first place, perhaps it's just a mistake on our end on how we're using overrides. Also if it happens again and/or we find out more, I'll update this post.

Sorry for the inconvenience of that file not being available to everyone, but for now this is effectively a public direct message for the very best @mont29, overriding overlord.

This report will probably be incomplete for a while, in the sense that reproduction steps are still unclear, but I thought it would be nice to put this somewhere regardless. It seems sometimes(and the big question is when) the target object of modifiers on overridden objects gets "lost", in the sense that they remain in an overridden state, but they are being overridden to nothing(no object selected). So far this only happened about 2 or 3 times, and so far specifically with Surface Deform modifier - perhaps the issue is specific to that one modifier, but perhaps a coincidence. An example file can be found in the Sprites svn, under `bugs/rex_logbridge_surface_deform_override.blend`. The issue can be fixed by either: - Reset and Resync entire override hierarchy - Remove Override on the empty modifier targets, then resync - Simply select the correct object for the modifier targets. But despite the available workarounds, this is an annoyance and could result in major time lost if it continues happening throughout production, so I'd be curious for any theories on what could cause this to happen in the first place, perhaps it's just a mistake on our end on how we're using overrides. Also if it happens again and/or we find out more, I'll update this post. Sorry for the inconvenience of that file not being available to everyone, but for now this is effectively a public direct message for the very best @mont29, overriding overlord.

Demeter Dzadik commented

2021-01-25 13:02:54 +01:00

Added subscribers: @mont29, @Mets

Bastien Montagne commented

2021-01-25 14:54:34 +01:00

Think this is actually a case of point 2) described in #83811 (Library Override: Investigate Resync Improvements.) (re-assigning from one to another ID in linked data, when both are already overridden). In which case 2a81d948ad should prevent this to happen anymore (will not fix existing issues though).

Think this is actually a case of point `2)` described in #83811 (Library Override: Investigate Resync Improvements.) (re-assigning from one to another ID in linked data, when both are already overridden). In which case 2a81d948ad should prevent this to happen anymore (will not fix existing issues though).

Demeter Dzadik commented

2021-01-25 15:04:22 +01:00

Praise the overlord! Thanks a lot! I guess this can be closed, if something like this happens again I'll come and break some hearts and re-open :D but I'm sure it won't! 🙏

Praise the overlord! Thanks a lot! I guess this can be closed, if something like this happens again I'll come and break some hearts and re-open :D but I'm sure it won't! :pray:

Philipp Oeser commented

2021-01-25 16:22:32 +01:00

Added subscriber: @lichtwerk

Philipp Oeser commented

2021-01-25 16:22:32 +01:00

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

Philipp Oeser closed this issue

2021-01-25 16:22:32 +01:00

Philipp Oeser self-assigned this 2021-01-25 16:22:32 +01:00

Philipp Oeser commented

2021-01-25 16:22:32 +01:00

OKi, closing then.

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Modifier targets sometimes being lost on overrides #85041