Bingo! (Still learning VFP8)
Thanks a lot Sergey

>Did you try to seacrh for "NOBUFF_LOC" in your project using Code References tool?
>
>>Dear All;
>>
>>I finished and installed a small application which is running perfectly.
>>However... some users gets the following error message:
>>
>>Variable "NOBUFF_LOC"* is not found
>>Cancel - Ignore - Help
>>
>>*is L O C (in case you see lines of code)
>>
>>It happens when working with tables (add/delete). The whole system is based in BufferMode 2 and BufferModeOverride 5.
>>The wierdest thing is that the tasks are performing well! They just click on "Ignore" and everything is fine... but of course I don't want that error...
>>Can't find any reference for this...Any ideas?
>>
>>Thank You