D3 project converted to D7 behaves strangely

Hi

I had an Delphi 3 project with one form, and only an OnCreate event
attached. I opened this project in Delphi 7, which converted it, and i have
since worked in D7 on this project.

The strange thing is that when i get a runtime error, like 'rangecheck
error' or similar, i just get a messagebox saying 'range check error'. The
compiler don't jump to the corrosponding line so its easier to debug.

The project is compiled with every debug option i can imagine.

Checked options in Project->Options:
Range checking,
I/O Checking
Overflow checking
Debug information
Local symbols
Reference info
Definitions only
Assertions
Use Debug DCU's

I have checked 'Integrated Debuggin' in Tools->options.
Its the exact same settings when i work with another D7 project, im sure,
but only this project won't debug(jump to corrosponding line), whenever a
runtime error occurs.

I have done Project->Build, and even Project->build All, but the problem
persists :(

What have i missed?


.

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