>>I converted a report to VFP and changed an expression on one of the fields because I'm not using the old udf()
>>
>>Building the .app generates an error in the report because there are entries in the .frx (table) from the old DOS platform. These entries call the old udf which no longer exists.
>>
>>I need to delete these entries, but doing so with a simple DELETE ALL FOR PLATFORM="DOS" causes a GPF when I try to modify the report.
>>
>>How to get rid of these entries so my app will compile cleanly???
>>
>>TIA
>
>Larry,
>
>You must still have some entries that refer to the UDF in the new fields. I opened all my reports that were converted from DOS (or FPW) and removed the DOS entries. I'm still able to modify the reports in VFP with no problems.

Did you open them as a table and delete records, or did you remove the offending controls and replace them with VFP versions?