Program activation via Eclipse seems okay but is not (constant overflow>internal error)

If I activate a program with a very specific error like the code below, if I don’t pay attention to the very bottom status bar “Activation failed” (because I’ve got a very large screen; NB: the screen size has been adapted for the screenshot), the two other error indicators don’t show any error (no gray led on the P icon, no error in the problems view) (): If I activate again, I can see the syntax error message in the problems log : () There are 3 error indicators: the gray led on the “object type icon” (the “P” brown discus here), the presence of errors in the problems view, the message “Ac