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

/SAPAPO/CTM1221 - Overview

• Message type: E = Error

• Message class: /SAPAPO/CTM1 -

• Message number: 221

• Message text: Sequence must be numbered continuously

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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/SAPAPO/CTM1221 - Details

• 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,