https://userapps.support.sap.com/sap/support/knowledge/en/3277143
3277143 - Error occurs while running tcode RSRV : "PSA table XXXXX is not partitioned in database...
While running Tcode RSRV check for all psa tables, the following error occurs: "PSA table XXXXX is not partitioned in database SAP Message no. RSRV189".