Some segments in an appeal may not produce any output when the Execute Segmentation is run. When reviewing the log, this error may be found: ORA-00936: missing expression
This error commonly occurs when the Ask Amount rules used on the Source for the Segments are not configured correctly. If they are missing an Activity Type and/or Base Table, then that would cause the error. Correct the Ask Amount rules, or change the Ask Amount rule on the Source to another one that is setup correctly, then run the Appeal again.