How To Fix /STMC/CR_MSG006 - Error while saving DBCON; key '&1' already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: /STMC/CR_MSG -

• Message number: 006

• Message text: Error while saving DBCON; key '&1' already exists

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /STMC/CR_MSG006 - Error while saving DBCON; key '&1' already exists ?

  The SAP error message /STMC/CR_MSG006 indicates that there is an issue with saving a database connection (DBCON) because a key (in this case, a connection identifier) already exists in the system. This typically occurs when you attempt to create a new DBCON entry with a key that is already in use.
  Cause:
  
  Duplicate Key: The most common cause of this error is that you are trying to create a DBCON entry with a key that already exists in the database connection table.
  Incorrect Configuration: There may be a misconfiguration in the DBCON settings or an attempt to overwrite an existing connection without proper deletion.
  System Issues: Sometimes, system inconsistencies or issues with the database can lead to this error.
  
  Solution:
  
  
  Check Existing DBCON Entries:
  
  Use transaction code DB02 or DBCON to view existing database connections.
  Look for the key that you are trying to create and confirm if it already exists.
  
  
  
  Modify or Delete Existing Entry:
  
  If the key already exists and you want to change its configuration, you can modify the existing DBCON entry instead of creating a new one.
  If the existing entry is no longer needed, you can delete it using the DBCON transaction.
  
  
  
  Use a Unique Key:
  
  If you need to create a new DBCON entry, ensure that you use a unique key that does not conflict with existing entries.
  
  
  
  Check for System Issues:
  
  If you believe there should not be a duplicate key, check for any system inconsistencies or issues that may be causing this error. You may need to consult with your SAP Basis team for further investigation.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  DBCON: To manage database connections.
  DB02: To monitor database performance and connections.
  
  
  
  Documentation: Refer to SAP Help documentation for more details on managing database connections and troubleshooting DBCON issues.
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to DBCON management that may address this error.
  
  
  By following these steps, you should be able to resolve the error and successfully manage your database connections in SAP.