Hi, I think since upgrade to 13 (but not sure).
validating the file brings back:
What can I do?snip
Starting tests in: pluginval / Restoring default layout...
!!! Test 1 failed: Unable to restore default layout
Main bus num input channels: 2
Main bus num output channels: 2
FAILED!! 1 test failed, out of a total of 1
*** FAILED
snap
It seems not to be a part of DAW essentials collection?