MFPLI01218S When array cross-sections are used within expressions or an assignment, all cross-sections must have exactly the same number of star extents.

The number of dimensions and any star extents of each operand in an array expression or assignment must be the same.
Resolution:
Ensure that the number of dimensions and star extents of both operands are the same.
Module:
COMPAT.PL1, VALASS.PL1