Community Packages

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FS#70434 - [cura] Adding or duplicating materials causes crash

Attached to Project: Community Packages
Opened by Scott Tincman (sctincman) - Tuesday, 13 April 2021, 23:28 GMT
Last edited by Andreas Radke (AndyRTR) - Thursday, 15 April 2021, 13:30 GMT
Task Type Bug Report
Category Packages
Status Assigned
Assigned To Jelle van der Waa (jelly)
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 0%
Votes 0
Private No


Attempting to create new materials through any method (create, duplicate, import) causes Cura to crash.

The issue appears to be from Arch transitioning to python 3.9, which included an API change in Treebuilder.

Upstream has already patched this on tip (

Applying this commit ontop of 4.8 release resolves the issue.

Additional info:
* Version 4.8.0-1

* Log ouput
* Patch generated from upstream commit
* Updated PKGBUILD

Steps to reproduce:
1. Navigate to material pane (Preference->Configure Cura->Materials
2. Attempt to add a material with either "Create", "Duplicate", or "Import"
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