Marcus documented the process: “When core AutoCAD 2023 gets a security hotfix, always re-apply corresponding language pack hot patches—same version, same delta. Otherwise, resource tables desync and text rendering breaks.”
This common error occurs if the language pack year does not exactly match the installed AutoCAD base version (e.g., trying to install a 2023 pack on AutoCAD 2024). Deployment Workflow autocad 2023 language packs hot patched