How To Fix /SAPAPO/OM_ERROR2352 - Confirmation activity: end time smaller than remaining start time

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 352

• Message text: Confirmation activity: end time smaller than remaining start time

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2352 - Confirmation activity: end time smaller than remaining start time ?

  The SAP error message /SAPAPO/OM_ERROR2352 indicates that there is a conflict in the scheduling of activities within the Advanced Planning and Optimization (APO) module. Specifically, the error states that the end time of a confirmation activity is smaller than the start time of the remaining activity. This typically occurs in the context of production planning or order confirmations where the timing of operations is critical.
  Cause:
  
  Incorrect Time Entries: The end time of a confirmation activity has been entered incorrectly, leading to a situation where it finishes before the next scheduled activity starts.
  Scheduling Conflicts: There may be overlapping or conflicting scheduling of activities that have not been resolved.
  Data Inconsistencies: There could be inconsistencies in the master data or transaction data that lead to incorrect time calculations.
  Resource Availability: If resources are not available for the planned time, it may lead to adjustments that cause this error.
  
  Solution:
  
  Check Time Entries: Review the confirmation entries for the activity in question. Ensure that the end time of the confirmation is indeed later than the start time of the subsequent activity.
  Adjust Scheduling: If there are scheduling conflicts, adjust the start and end times of the activities to ensure they do not overlap incorrectly.
  Review Master Data: Check the master data for the resources and activities involved. Ensure that the lead times, durations, and other relevant parameters are correctly defined.
  Reconfirm Activities: If necessary, delete the incorrect confirmation and re-enter it with the correct timings.
  Consult Logs: Look at the logs or detailed error messages in the system to identify any additional context or related issues that may be causing the error.
  System Configuration: If the issue persists, it may be necessary to review the system configuration settings related to scheduling and confirmations.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/OM to access the order management functions and review the details of the activities.
  Documentation: Refer to SAP documentation or help files for more detailed explanations of scheduling and confirmation processes in APO.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide patches related to this error.
  Support: If the problem cannot be resolved internally, consider reaching out to SAP support for assistance.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.