commit 87c4e9cb90483de242546fe3f0cef3b096bfa2c1
Author: Lukas K. <lu@0x83.eu>
Date:   Thu Mar 6 00:36:03 2025 +0100

    package rules check: don't throw an exception if there is no copper layer
    
    changelog: Bugfixes/Package Editor: don't fail clearance check if there is no copper layer at all
