Hi Barb,
Go into the data file and search for OEF???'?.dat where "dat" is your data extension. (It is often easier to do this from the command prompt.) If you are sure that no one is in OrderEntry, rename all the files that have numbers in the first 3 "???" position. That is:
Delete OEF001'I.dat and OEF001'R.dat but not OEFCTL'R.dat.
My guess is that you'll find one of the temporary numeric files with 'I but not 'R or vice versa.
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Andrew Bates