There is no need to be sorry, 
About contacting SAP , I first recommend please check with your technical expert (ABAP) in team , he/she must be having fair idea on how to deal with it , they will have possible list of workaround and based upon there reply you can take decision weather or not its require to contact SAP.
Check below thread its similar to your issue.
how to increase field length of standard database tables..........?
You can close this thread and create a new thread in ABAP Development forum and give link to this thread, there you will get more favaorable replys on it.
Hope it may help you.
Thanks
Ritesh