Oracle Error Message
ORA-37126: (XSCCOMP01) The COMPRESSED COMPOSITE workspace object can only be used as a base of a single variable.
Reason for the Error
The user attempted to DEFINE a variable dimensioned by a COMPRESSED COMPOSITE, but that COMPRESSED COMPOSITE is already being used by another VARIABLE.
Solution
Create a second COMPRESSED COMPOSITE for the second VARIABLE or add a measure dimension to the first variable.