How To Fix MQ015 - Currency key & already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: MQ - Messages for Euro Changeover Package

• Message number: 015

• Message text: Currency key & already exists

What causes this issue?

You have entered a currency key which has already been defined. At this
point, however, a new currency key is required.

System Response

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

How to fix this error?

Enter a currency key which has not yet been defined in the system.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MQ015 - Currency key & already exists ?

  The SAP error message "MQ015 Currency key & already exists" typically occurs when you are trying to create a new currency key in the system, but the currency key you are attempting to use already exists in the database. This can happen in various contexts, such as when setting up new currencies in the system or during configuration tasks.
  Cause:
  
  Duplicate Currency Key: The primary cause of this error is that the currency key you are trying to create is already present in the system. Each currency key must be unique within the SAP environment.
  Data Entry Error: Sometimes, the error may arise from a simple typographical error where the user mistakenly tries to create a currency that is already defined.
  Configuration Issues: If there are issues with the configuration or if the system has not been properly updated, it may lead to this error.
  
  Solution:
  
  Check Existing Currency Keys: Before creating a new currency key, check the existing currency keys in the system. You can do this by navigating to the relevant transaction (e.g., OB08 for maintaining exchange rates) and reviewing the list of currencies.
  Use a Different Currency Key: If the currency key you are trying to create already exists, consider using a different key that is not already in use.
  Review Configuration: Ensure that your configuration settings are correct and that there are no inconsistencies in the currency setup.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on currency key creation and management.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Common transaction codes related to currency management include:
  
  OB08: Maintain Exchange Rates
  OBD2: Define Currencies
  
  
  Currency Types: Understand the different types of currencies (e.g., local currency, group currency, hard currency) and their implications in your SAP system.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on currency key management.
  
  By following these steps, you should be able to resolve the "MQ015 Currency key & already exists" error and successfully manage currency keys in your SAP system.