Solution : https://service.sap.com/sap/support/notes/1364990 (SAP Service marketplace login required)
Key words :
immediately reuse existing psa partitions, empty persistent staging area, prerequisites empty psa partitions, empty psa partitions, purely logical number, psa partno number, psa partition, reused immediately, immediately carry, maximum number
Related Notes :
1496825 | DB2-z/OS: BW: Limitkey too large for PSA tables after ROTATE |
1470210 | DB2-z/OS: BW: Compressed data loaded to empty PSA partitions |