Hi Egle,
once back to the debugger thing.
You change the value, press enter. Remove the break point (just click on it or press shift+F2)
then press F8. There's no need to close the debugger, the program (OH11) will get the control back from the debugger. The debugger will close automaticly after completing OH11.
When all went well, you will then see the additional button for copying cross country.
As for your single table aproach. If you have to modify T52D5 (usually you don't) you can do so. The message is only a warning.
Don't forget Viewcluster (SM34) V_T52EL if you want to pass results to FI.
Hope you get things right.
Regards - Jörg