>>>Whenever I find a PO number at a different site I get the error message
>>>

>>>Uniqueness of index CRELPONO is violated.
>>>

>>>where "CRELPONO" is the index associated with the PO number.
>>>
>>>The table is buffered and the index is a "candidate" index because the user needs unique PO numbers
>>>
>>>I have tried to fix it unsuccessfully.. How do I fix the problem so that I do not get the error message (number 1884)?
>>
>>Is the table TABLE buffered? Why do you get the error on the search?
>
>I do not get the error on the search but whenever I try to navigate off the entry.

Use table buffering. What exactly happens when you navigate off the entry?