Archicad (by Graphisoft) does not support transparency in external PDFs placed on Layouts—the transparent areas are rendered as solid white. As a workaround, you might try converting PDFs to PNGs with transparency retained and then place those images...

Archicad doesn’t currently provide a built-in feature to automatically identify or purge unused graphic override rules. The best approach is a manual process: check which rules are applied to your views and layouts, then compare with your list of rul...

Archicad files can get bloated over time, especially with your workflow. Try "Save As" a .PLA (Archive) to gather only used elements, then re-save as .PLN. Also, regularly use "Remove Unused Attributes" (under Attribute Manager) to clear unused line ...

Unfortunately, once you’ve closed ArchiCAD properly and chosen “Don’t Save,” the autosave and backup files are deleted, so recovery isn’t possible through ArchiCAD itself. The .log files only contain session or error log information for troubleshooti...

Others have reported similar crashes after the 6003 update. In the meantime, try exploding the hotlinked module or breaking the link before copying elements, as a temporary workaround. Also, make sure your graphics drivers and Archicad library are up...