How To Fix /SAPAPO/OM_ERROR2349 - Append end and close gaps modes do not work for backward scheduling

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 349

• Message text: Append end and close gaps modes do not work for backward scheduling

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2349 - Append end and close gaps modes do not work for backward scheduling ?

  The SAP error message /SAPAPO/OM_ERROR2349 indicates that there is an issue with the scheduling modes in the Advanced Planning and Optimization (APO) module, specifically when using backward scheduling. This error typically arises when trying to use the "Append End" and "Close Gaps" modes in a scenario where backward scheduling is applied.
  Cause:
  The error occurs because the "Append End" and "Close Gaps" modes are not compatible with backward scheduling. In backward scheduling, the system calculates the start date based on the end date, which does not align with the logic of appending or closing gaps that are typically used in forward scheduling.
  Solution:
  To resolve this error, you can consider the following approaches:
  
  
  Change Scheduling Mode: If backward scheduling is not a strict requirement, consider switching to forward scheduling. This will allow you to use the "Append End" and "Close Gaps" modes without encountering this error.
  
  
  Adjust Planning Parameters: Review the planning parameters and settings in your APO system. Ensure that the scheduling modes you are trying to use are appropriate for the type of scheduling you are performing.
  
  
  Use Alternative Scheduling Options: If backward scheduling is necessary, explore other scheduling options that do not involve "Append End" or "Close Gaps." You may need to adjust your planning strategy to accommodate the constraints of backward scheduling.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on scheduling modes and their compatibility. This can provide insights into best practices and alternative approaches.
  
  
  Contact SAP Support: If the issue persists or if you need further assistance, consider reaching out to SAP support for guidance tailored to your specific configuration and requirements.
  
  
  Related Information:
  
  Backward Scheduling: This method calculates the start date of a task based on a predetermined end date, which is useful for ensuring that deadlines are met.
  Forward Scheduling: In contrast, forward scheduling starts from a given date and calculates the end date based on the duration of tasks.
  APO Configuration: Understanding the configuration settings in APO can help in troubleshooting scheduling-related issues.
  
  By following these steps, you should be able to address the error and continue with your planning activities in SAP APO.