Oh what have I gone and done?
I used Time Machine to restore a project (where I’d made a silly mistake) to an earlier version - restoring all the files in the folder for that project (I know I should have been using GIT, and usually do).
The project now compiles OK but when I run I get a message from Xojo along the following lines:
with many files quoted as having permission denied.
Please help me restore my sanity this Monday morning.