https://userapps.support.sap.com/sap/support/knowledge/en/2924026
2924026 - Plan using Block Limits does not work | SAP Knowledge Base Article
You run SAP_CDPBP_01, SAP_CDPBP_02 or SAP_CDPBP_03 heuristic and it is executed without result. You are not able to schedule using block limits
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