How To Fix /SAPAPO/PMAN011 - Backward scheduling of the critical path from &1

/SAPAPO/PMAN011 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PMAN -

• Message number: 011

• Message text: Backward scheduling of the critical path from &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PMAN011 - Backward scheduling of the critical path from &1 ?

  The SAP error message /SAPAPO/PMAN011 typically relates to issues in the backward scheduling process within the SAP Advanced Planning and Optimization (APO) module. This error indicates that there is a problem with the critical path scheduling for a specific production order or planning object.
  
  Cause:
  The error message /SAPAPO/PMAN011 can be triggered by several factors, including:
  
  
  Missing or Incomplete Data: Required data for backward scheduling may be missing or incomplete, such as lead times, production resources, or dependencies between operations.
  
  
  Scheduling Constraints: There may be constraints in the scheduling process, such as resource availability, capacity issues, or conflicting orders that prevent the system from calculating a valid schedule.
  
  
  Incorrect Configuration: The configuration settings for the planning area or the production process may not be set up correctly, leading to issues in scheduling.
  
  
  Critical Path Issues: The critical path may not be defined correctly, or there may be issues with the relationships between tasks that affect the