CRFCC0019E Unable to merge the file. It is too different from its predecssor.
Save the file or script under a different name and add it to ClearCase.
Explanation
The changed file is too different from its predecessor
in IBM Rational ClearCase. Merging requires that the changed file
and the repository copy contain sufficient common material.
User response
Save the file or script under a different name, and
then add to ClearCase.