I created a report in PBI dekstop with the new preview feature enabled. I did not plan on using the feature in that specific report,, but enabled it nevertheless.
Now I created a report that is only runnning on import (two sources, see below) which cannot be published since composite models are not yet supported. However, I am not really using a composite model. Only Import.
I went to disable the tick box in the Preview Features (with the report open of course, and with a new save) only to learn that now I can't even open the PBIX anymore:
How can I tell PBI desktop that the file does not contain a composite model? Do I need to recreate the entire thing? I hope there is a better solution!