Archicad 26 Change - Language
Opening a project file created in one language (e.g., German) inside an Archicad instance running a different language (e.g., International English) can cause several common issues. Here is how to fix them: Fixing Missing Library Objects
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Build your office .tpl (template) files with universally understood naming conventions or bilingual coding (e.g., A-WALL-EXT / A-WAND-AUSSEN ) if working frequently across two specific languages. archicad 26 change language