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Particle system Instance Collection option fails to set a user for a linked collection
Closed, ResolvedPublic


System Information
Operating system: Windows 10
Graphics card: GTX1080

Blender Version
Broken: 55e79d8f36c6

Short description of error
A linked collection disappears after a reload even when it is being used by the particle system

Exact steps for others to reproduce the error
Download same files from T62587
Go ahead and pick the "Instances" collection from the particle setting's drop down menu.

Delete the Empty that is instancing the collection in the scene

Save and re-load
The collection is gone and the particle system no longer displays it.

Event Timeline

Sebastian Parborg (zeddb) triaged this task as Confirmed, Medium priority.

There is some weirdness here for sure.
If I pick the "Instances" collection, save and reload and then delete the collection, it survives the next save and reload.

But if I do as described here, it indeed disappears.

Brecht Van Lommel (brecht) raised the priority of this task from Confirmed, Medium to Confirmed, High.Mar 15 2019, 12:41 PM