How To Fix /SAPAPO/CTM1221 - Sequence must be numbered continuously

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 221

• Message text: Sequence must be numbered continuously

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/CTM1221 - Sequence must be numbered continuously ?

  The SAP error message /SAPAPO/CTM1221 with the description "Sequence must be numbered continuously" typically occurs in the context of the SAP Advanced Planning and Optimization (APO) module, particularly when dealing with the Capacity Planning or CTM (Capable-to-Match) functionalities. This error indicates that there is an issue with the sequence numbers assigned to the production or planning orders, which must be continuous for the system to process them correctly.
  Cause:
  
  Gaps in Sequence Numbers: The most common cause of this error is that the sequence numbers assigned to the orders or activities are not continuous. For example, if you have orders numbered 1, 2, 4, and 5, the system will throw this error because there is a gap (missing order number 3).
  Incorrect Configuration: There may be configuration issues in the planning settings that lead to improper assignment of sequence numbers.
  Data Integrity Issues: If there are inconsistencies in the master data or transaction data, it can lead to gaps in the sequence numbers.
  
  Solution:
  
  Check Sequence Numbers: Review the sequence numbers assigned to the relevant orders or activities. Ensure that they are continuous without any gaps.
  Adjust Sequence Numbers: If you find gaps, you may need to manually adjust the sequence numbers to ensure continuity. This can often be done through transaction codes or specific reports in SAP.
  Reconfigure Planning Settings: If the issue is due to configuration, you may need to revisit the settings in the APO system to ensure that sequence numbers are generated correctly.
  Data Consistency Check: Run data consistency checks to identify and resolve any underlying data integrity issues that may be causing the gaps in sequence numbers.
  Consult Documentation: Refer to SAP documentation or notes related to this error for any specific instructions or patches that may address the issue.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like /SAPAPO/CTM for CTM planning or /SAPAPO/ORD for order management to review and manage orders.
  SAP Notes: Check SAP Notes for any known issues or fixes related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  By following these steps, you should be able to identify and resolve the issue causing the /SAPAPO/CTM1221 error message.