A Data-Structure-Name entry (positions 7-12 of a data-structure specification) cannot be the same as the Data-Structure-Subfield-Name entry (positions 53-58 of a data-structure-subfield specification).
Specify unique names for the Data-Structure-Name entry (positions 7-12), and for the Data-Structure-Subfield-Name entry (positions 53-58). Recompile.
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