How To Fix UMG391 - Could not reset the Converter Cache (CCC). Reason &1. (see long text).

SAP Error Message - Details

• Message type: E = Error

• Message class: UMG - Message Class for the Unicode Migration Tool.

• Message number: 391

• Message text: Could not reset the Converter Cache (CCC). Reason &1. (see long text).

What causes this issue?

You changed the SPUMG option "Code Page for INDX type tables" in the
SPUMG settings. When changing this option the so called Converter Cache
(CCC) has to be reset but the reset failed. The return code was &V1&
Return Code 1: the reason for the failure is not known.
Return Code 2: the user does not have sufficient authorization to reset
the CCC.

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?

Depending on the return code please
Return Code 1: call transaction /i18n and select "Trouble Shooting ->
CCC Cache" from the menu. Reset the CCC by selecting "Clear Cache" from
the menu bar.
Return Code 2: Make sure you have sufficient authorization to reset the
CCC. A check for the authorization object "S_ADMI_FCD" is done. The
authorization "S_ADMI_FCD" for the field SCP1 has to be set.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UMG391 - Could not reset the Converter Cache (CCC). Reason &1. (see long text). ?

  The SAP error message UMG391, which states "Could not reset the Converter Cache (CCC). Reason &1," typically indicates an issue with the Converter Cache in the SAP system. This cache is used for various purposes, including data conversion and mapping, and issues with it can lead to problems in data processing.
  Causes:
  
  System Configuration Issues: There may be misconfigurations in the system settings related to the Converter Cache.
  Database Issues: Problems with the underlying database, such as connectivity issues or corruption, can prevent the cache from being reset.
  Insufficient Authorizations: The user attempting to reset the cache may not have the necessary authorizations to perform this action.
  Technical Errors: There could be bugs or technical errors in the SAP system that are preventing the cache from being reset.
  Memory Issues: Insufficient memory or resources on the application server can lead to failures in cache operations.
  
  Solutions:
  
  Check System Configuration: Review the configuration settings related to the Converter Cache and ensure they are set correctly.
  Database Health Check: Perform a health check on the database to ensure it is functioning correctly. Look for any connectivity issues or errors in the database logs.
  User Authorizations: Verify that the user has the necessary authorizations to reset the Converter Cache. If not, adjust the user roles accordingly.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Restart Services: Sometimes, simply restarting the relevant services or the entire SAP system can resolve temporary issues with the cache.
  Monitor System Resources: Check the system's memory and resource usage. If the system is low on resources, consider optimizing or upgrading the hardware.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SM12 (to check for locks), SM21 (to view system logs), and ST22 (to check for dumps) to gather more information about the issue.
  SAP Community: Engaging with the SAP Community forums can provide insights from other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for further assistance, especially if it is impacting critical business processes.
  
  Always ensure to back up any important data before making significant changes to the system or configurations.