How To Fix /SAPAPO/RRP_CDOC035 - No preceding operation or start time = 0

/SAPAPO/RRP_CDOC035 - Overview

• Message type: E = Error

• Message class: /SAPAPO/RRP_CDOC -

• Message number: 035

• Message text: No preceding operation or start time = 0

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/RRP_CDOC035 - No preceding operation or start time = 0 ?

  The SAP error message /SAPAPO/RRP_CDOC035 No preceding operation or start time = 0 typically occurs in the context of Advanced Planning and Optimization (APO) when dealing with production planning and scheduling. This error indicates that the system is unable to find a preceding operation for a particular production order or that the start time for the operation is set to zero, which is not valid for scheduling purposes.
  Causes:
  
  Missing Preceding Operations: The production order may not have any preceding operations defined, which are necessary for the scheduling logic to function correctly.
  Incorrect Start Time: The start time for the operation is set to zero, which is not acceptable as it does not provide a valid time frame for scheduling.
  Data Inconsistencies: There may be inconsistencies or missing data in the master data (like routing or work center) that are required for the operation to be scheduled.
  
  Configuration Issues: There could be issues with the