How To Fix OE309 - Seq-No &1 entered twice in editor mode! Choose a different one!

SAP Error Message - Details

• Message type: E = Error

• Message class: OE - IS-Oil: ITA/TPI messages

• Message number: 309

• Message text: Seq-No &1 entered twice in editor mode! Choose a different one!

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message OE309 - Seq-No &1 entered twice in editor mode! Choose a different one! ?

  The SAP error message OE309 indicates that a sequence number (Seq-No) has been entered twice in the editor mode, which is not allowed. This typically occurs in the context of maintaining or editing certain data records, such as in the configuration of order management or logistics processes.
  Cause:
  The error is caused by attempting to enter the same sequence number for multiple entries in a table or configuration where unique sequence numbers are required. This can happen if:
  
  The user manually enters a sequence number that has already been used.
  There is a copy-paste action that inadvertently duplicates a sequence number.
  The system is set up in a way that does not allow for duplicate sequence numbers in the specific context.
  
  Solution:
  To resolve the OE309 error, you can take the following steps:
  
  
  Check Existing Entries: Review the existing entries in the editor mode to identify which sequence numbers are already in use. Ensure that the sequence number you are trying to enter is unique.
  
  
  Choose a Different Sequence Number: If you find that the sequence number you are trying to enter is already in use, select a different, unique sequence number that is not currently assigned to any other entry.
  
  
  Clear Duplicates: If you have inadvertently created duplicates, remove or modify the duplicate entries to ensure that each sequence number is unique.
  
  
  Consult Documentation: If you are unsure about the sequence number requirements, refer to the relevant SAP documentation or configuration guides for the specific module you are working with.
  
  
  User Training: If this error occurs frequently, consider providing additional training to users on how to properly manage sequence numbers in the system.
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes related to order management, logistics, or configuration settings.
  SAP Notes: Check SAP Notes for any known issues or updates related to this error message. Sometimes, there may be patches or updates that address specific bugs.
  Support: If the issue persists and you cannot find a resolution, consider reaching out to your SAP support team or consulting with SAP support for further assistance.
  
  By following these steps, you should be able to resolve the OE309 error and continue with your work in SAP.