How To Fix /SAPAPO/OM_ERROR2161 - Missing entry in OrderSequence

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR2 -

• Message number: 161

• Message text: Missing entry in OrderSequence

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR2161 - Missing entry in OrderSequence ?

  The SAP error message /SAPAPO/OM_ERROR2161 indicates that there is a missing entry in the Order Sequence in the Advanced Planning and Optimization (APO) module. This error typically arises when the system is unable to find a required order sequence for a specific operation or process, which can disrupt planning and execution.
  Cause:
  
  Missing Order Sequence: The most common cause is that the order sequence that the system is trying to access does not exist in the database.
  Data Inconsistency: There may be inconsistencies in the data, such as missing or incorrectly configured master data (e.g., production orders, planned orders).
  Configuration Issues: Incorrect configuration settings in the APO system can lead to this error.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), some necessary data might not have been transported correctly.
  
  Solution:
  
  Check Order Sequence: Verify that the order sequence exists in the system. You can do this by checking the relevant tables or using transaction codes like /SAPAPO/OM_ORDER to see if the order sequence is defined.
  Recreate Missing Entries: If the order sequence is missing, you may need to recreate it. This can involve creating new orders or sequences as necessary.
  Data Consistency Check: Run consistency checks in the APO system to identify and resolve any data inconsistencies. You can use transaction codes like /SAPAPO/OM_CNS for consistency checks.
  Review Configuration: Check the configuration settings in the APO system to ensure that they are set up correctly. This may involve reviewing the settings for order management and planning.
  Transport Logs: If the issue arose after a transport, review the transport logs to ensure that all necessary data was included in the transport request.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for additional troubleshooting steps or patches that may be available.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/OM_ORDER, /SAPAPO/OM_CNS, and others that may help in diagnosing the issue.
  SAP Notes: Check the SAP Support Portal for any notes related to this error message. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to involve your SAP Basis or APO support team for further investigation.