Report error: ORA-20001: Error fetching column value

Hi,
I try to build a tabular form with 1 column as "Select List (Query based on LOV)". This select list should display round about 1.100 rows in the LOV ordered by name. So I got the error: report error:
ORA-20001: Error fetching column value: ORA-06502: PL/SQL: numerischer oder Wertefehler: character string buffer too small
When I try tho define this column as Popup LOV (Query based LOV) only the the ID of the attribute and not the display value appeares in the row. The LOV it self displays the display number and not the the ID. I want to see the display value in the column of the particular row and the LOV and return the ID to the record by insert or update as it is normal in LOVs of form regions.
This lot of rows in the LOV is necessary because it is a part to develop formulas like (number_of_acquisitions - number_of_old_parts)/100 or so. The most formulas will be more complex. In the database there should only be the ID as reference to the attributes.
Please help me to display the attribute bases on LOV in every particular row.
Thank you
Siegwin

In Apex 4 there is now a column type "Popup Key LOV (named LOV)" which is exactly what you are looking for.
Edited by: 964978 on Oct 12, 2012 4:53 AM

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Report error: ORA-20001: Error fetching column value

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