Ok I think that’s a pointer right there. I bet you’re calling a procedure and the parameters for the external procedure are off, or there’s been a change in file layout and you haven’t recompiled all dll’s
Click on the red boxed icon (0…9… Sort by Generation order). This will sort the applications based on the least depeneded apps to the most depended apps. This way, you’ll can be sure that all the apps are compiled in the good logical order.
NOTE: Backup or Remove all your DLL, EXE before you do this full compile to make sure, all of them are compiled fresh and is NOT from a previous session.