How To Fix WRF_PRC_EM029 - Optional dates without predecessors precede first mandatory date &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_PRC_EM - EM Purchase Order Seasonal Procurement

• Message number: 029

• Message text: Optional dates without predecessors precede first mandatory date &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_PRC_EM029 - Optional dates without predecessors precede first mandatory date &1 ?

  The SAP error message WRF_PRC_EM029 indicates that there is an issue with the scheduling of optional dates in relation to mandatory dates in the context of product planning or scheduling. Specifically, it means that there are optional dates that do not have any predecessor dates, and they are set to occur before the first mandatory date.
  Cause:
  
  Incorrect Date Configuration: The optional dates are configured incorrectly in the system, leading them to be scheduled before the mandatory dates.
  Missing Predecessor Relationships: The optional dates lack the necessary predecessor relationships that would allow them to be scheduled appropriately.
  Data Entry Errors: There may have been errors during data entry, leading to the optional dates being set incorrectly.
  
  Solution:
  
  Review Date Settings: Check the configuration of the optional and mandatory dates in the relevant planning or scheduling transaction. Ensure that the optional dates are set correctly and do not precede the mandatory dates.
  Establish Predecessor Relationships: If the optional dates are intended to be scheduled before the mandatory dates, consider establishing appropriate predecessor relationships to allow for this scheduling.
  Adjust Dates: If the optional dates are not meant to occur before the mandatory dates, adjust them to ensure they follow the mandatory dates.
  Consult Documentation: Refer to SAP documentation or guidelines for setting up dates in the specific module you are working with (e.g., SAP S/4HANA, SAP ECC).
  Testing: After making adjustments, test the changes in a development or test environment to ensure that the error is resolved before applying changes to the production environment.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access the relevant planning or scheduling settings (e.g., MD01, MD02 for MRP).
  SAP Notes: Check for any SAP Notes related to this error message for additional guidance or patches that may address the issue.
  User Forums: Consider searching or posting in SAP community forums for insights from other users who may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.