Sinumerik Alarm 120303 The selection is not possible. The edited file %1 no longer exists.
%1 = Program name with path Definitions: The file edited last in the program area has in the meantime been deleted.
– Alarm display.
The alarm disappears automatically as soon as a program is edited or simulated in the program area. The alarm can also be acknowledged manually via diagnostics.
- Siemens Diagnostics Guide by Siemens