AttributeSet not found?

Oct 6, 2015 at 8:25 AM

i exportet an app from my local dnn/_2sexy installation and wanted to import this app to a customer portal. there i always get the this message after the import:
AttributeSet not found.

and no templates are importet.
im using 2sexy 7.2.3 version and dnn 7.4.1

best regards