CP328 - Seq.: Date &: Return operation for sequence not found.

SAP Error Message - Details

• Message type: E = Error

• Message class: CP - Task list messages: Core data

• Message number: 328

• Message text: Seq.: Date &: Return operation for sequence not found.

What causes this issue?

The return operation specified for the sequence does not exist or has
been deleted. Therefore the task list cannot be edited or processed.

How to fix this error?

Check the task list and enter an existing operation as the return
operation for the sequence.
In order for the system to find a return operation from the standard
sequence that you have deleted and maintained later using the same
operation number, you should proceed as follows:

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Enter an operation number which does not exist in place of the return
operation number
Save the task list
Rename the operation number you entered to the desired number

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CP328 - Seq.: Date &: Return operation for sequence not found. ?

  The SAP error message CP328, which states "Seq.: Date &: Return operation for sequence not found," typically occurs in the context of production planning and control, particularly when dealing with sequences in production orders or operations. This error indicates that the system cannot find a return operation for a specific sequence on a given date.
  Causes:
  
  Missing Return Operation: The return operation for the specified sequence is not defined in the routing or production order.
  Incorrect Sequence Date: The date specified may not correspond to any valid operation in the sequence.
  Routing Issues: The routing for the production order may not be correctly set up, or the sequence may not be properly defined.
  Configuration Errors: There may be configuration issues in the production planning settings that prevent the system from recognizing the return operation.
  
  Solutions:
  
  
  Check Routing: Verify the routing for the production order to ensure that the return operation is defined for the specified sequence. You can do this by navigating to the routing in the SAP system and checking the operations listed.
  
  
  Update Production Order: If the return operation is missing, you may need to add it to the routing or production order. This can be done by editing the routing or the production order directly.
  
  
  Validate Dates: Ensure that the date you are using corresponds to a valid operation in the sequence. If necessary, adjust the date to match an existing operation.
  
  
  Review Configuration: Check the configuration settings in the production planning module to ensure that all necessary settings for sequences and return operations are correctly defined.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on handling sequences and return operations in your version of SAP.
  
  
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like CO02 (Change Production Order) or CA03 (Display Routing) to investigate the production order and routing details.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide patches related to this error message.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the CP328 error and implement a suitable solution.