How To Fix C$121 - System does not support function &

SAP Error Message - Details

• Message type: E = Error

• Message class: C$ -

• Message number: 121

• Message text: System does not support function &

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 C$121 - System does not support function & ?

  The SAP error message C$121, which states "System does not support function &," typically indicates that the system is unable to execute a specific function or feature due to various reasons. Here’s a breakdown of potential causes, solutions, and related information:
  Causes:
  
  Missing Configuration: The function you are trying to use may not be configured in the system. This could be due to missing settings in the customizing or configuration tables.
  Version Limitations: The SAP system version you are using may not support the specific function. Some functions are only available in newer versions or specific modules.
  Authorization Issues: The user may not have the necessary authorizations to access the function. This can lead to the system denying access to certain features.
  Module Not Installed: The required module or component that supports the function may not be installed in your SAP system.
  Technical Issues: There could be underlying technical issues, such as system bugs or inconsistencies in the system setup.
  
  Solutions:
  
  Check Configuration: Review the configuration settings related to the function you are trying to use. Ensure that all necessary settings are properly configured.
  Upgrade SAP Version: If the function is not supported in your current version, consider upgrading to a newer version of SAP that includes the desired functionality.
  Review Authorizations: Check the user roles and authorizations to ensure that the user has the necessary permissions to access the function.
  Install Required Modules: If the function is part of a specific module, ensure that the module is installed and properly configured in your SAP system.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address the specific error or provide patches and updates.
  Contact SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide insights based on the specific context of your system.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for the specific module or function you are trying to use. This can provide insights into configuration and usage.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can share their solutions.
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting or configuring the system.
  
  By following these steps, you should be able to identify the cause of the C$121 error and implement a suitable solution.