Set the geometry to BREP in the IFC Translators (File Menu >
Interoperability > IFC > IFC Translators) click the three dots next to
Geometry Conversion and set the Export all model elements geometry as
BREP as shown in the attached screenshot. Export...
Adding to what Barry said, a .pln.tc file is a file that is created
before the .pln is saved. If the save is successful .tc tag is removed
and is replaced with the .pln file. If the .tc tag is still present then
the save could of been interrupted whi...
