This message is the result of a box accidentally being selected when converting the database driver of a report.
go to Q:CRW8\ADS.INI
delete the lines (probably) at the bottom of the file :
[Crystal]
UseBDECompatibleOJ=DATA
While in a Crystal report, from the top toolbar, the user chose Database/Convert Database Driver:
After selecting the desired driver, the alias window appears. The user selected the bottom box (the default is un-checked) which will then cause the clause from above to be added to the ads.ini.
Click OK and Refresh your report. You should be able to run the Report without error.