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Message type: E = Error
Message class: CP - Task list messages: Core data
Message number: 311
Message text: Task list &1 sequence &2 is used as a ref. sequence by another sequence
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.
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CP311
- Task list &1 sequence &2 is used as a ref. sequence by another sequence ?The SAP error message CP311 indicates that a task list (or routing) is being referenced by another sequence, which prevents you from making certain changes or deletions to the task list. This is a common issue in SAP when dealing with production planning and control, particularly in the context of task lists and sequences.
Cause:
The error occurs when:
To resolve this error, you can take the following steps:
Identify the Reference:
CP03
(Display Task List) or CA03
(Display Routing) to check where the task list is being referenced.Remove the Reference:
CP02
(Change Task List) or CA02
(Change Routing) to make the necessary changes.Check Dependencies:
Consult Documentation:
Seek Help from SAP Support:
CP01
, CP02
, CP03
, CA01
, CA02
, and CA03
for creating, changing, and displaying task lists and routings.By following these steps, you should be able to resolve the CP311 error and manage your task lists and sequences effectively.
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