Import error on new project 'RuntimeError: 2 : InternalValidationError : version'

I’m importing my first project from F360. It imports a significant part of the file, but then I am getting this error:

Failed:Traceback (most recent call last): File 
"C:\Users\mikep\AppData\Roaming\Autodesk\ApplicationPlugins\cadasio.bundle\ 
Contents\cadasioui.py", line 504, in notify cadasioAssembly.traverse(app, 
cadasioDocuments.getActiveDesign(app), opts, ui, project, toolbox,txtDescription.text) File 
"C:\Users\mikep\AppData\Roaming\Autodesk\ApplicationPlugins\cadasio.bundle\ 
Contents\cadasioassembly.py", line 136, in traverse 
cadasioAssembly.traverseComponent(app, component, assembly, assembly, options) File 
"C:\Users\mikep\AppData\Roaming\Autodesk\ApplicationPlugins\cadasio.bundle\ 
Contents\cadasioassembly.py", line 218, in traverseComponent 
cadasioAssembly.traverseComponent(app, occ.component, subAssembly, rootAssembly, 
options) File 
"C:\Users\mikep\AppData\Roaming\Autodesk\ApplicationPlugins\cadasio.bundle\ 
Contents\cadasioassembly.py", line 218, in traverseComponent 
cadasioAssembly.traverseComponent(app, occ.component, subAssembly, rootAssembly, 
options) File 
"C:\Users\mikep\AppData\Roaming\Autodesk\ApplicationPlugins\cadasio.bundle\ 
Contents\cadasioassembly.py", line 218, in traverseComponent 
cadasioAssembly.traverseComponent(app, occ.component, subAssembly, rootAssembly, 
options) [Previous line repeated 1 more time] File 
"C:\Users\mikep\AppData\Roaming\Autodesk\ApplicationPlugins\cadasio.bundle\  
Contents\cadasioassembly.py", line 206, in traverseComponent part = 
cadasioAssembly.objectFromComponent(app, component, rootAssembly, assemblyOrPart, 
parentTransform, options, True, isVisible) File 
"C:\Users\mikep\AppData\Roaming\Autodesk\ApplicationPlugins\cadasio.bundle\ 
Contents\cadasioassembly.py", line 380, in objectFromComponent cadId = 
cadasioDocuments.getId(component) File 
"C:\Users\mikep\AppData\Roaming\Autodesk\ApplicationPlugins\cadasio.bundle\ 
Contents\cadasiodocument.py", line 26, in getId if doc and doc.dataFile: File 
"C:/Users/mikep/AppData/Local/Autodesk/webdeploy/production/ 
e6bf263006a5eaed125d0b57f6c8df8e93a4d41c/Api/Python/packages\adsk\core.py", line 
8637, in _get_dataFile return _core.Document__get_dataFile(self)

RuntimeError: 2 : InternalValidationError : version`

Any thoughts?

Replied on email 13.55 26/07/21