Archicad is often linked to libraries.
These libraries are gsm files into folders or lcf.
These LCF files are Library Contener File
Are you sure you are linking a IFC and not a LCF ?
Christophe - FRANCE
Archicad Designer and Teacher
Archicad 15 to 26 FRA FULL
OS 11.6 Big Sur - MacBook Pro 2015 - 16Go RAM"Quality is never an accident ; it's always the result of an intelligent effort" John Ruskin