InputDialog doesn't support datatype: class io.jmix.core.metamodel.datatype.impl.FileRefDatatype

… but there is even the helper method to create a file parameter:
image

This error is shown when I want to actually use a fileParameter in an input dialog

Hi!

Thanks for reporting the problem.
I created an issue: InputDialog doesn’t support FileRef · Issue #2273 · jmix-framework/jmix · GitHub

Regards,
Dmitriy