How To Fix MM201 - You cannot perform this function in this client

MM201 - Overview

• Message type: E = Error

• Message class: MM - Messages for material master maintenance and Customizing

• Message number: 201

• Message text: You cannot perform this function in this client

What causes this issue?

You wanted to perform the function to delete all of the materials
without archiving in the client.

System Response

You may no longer perform this function since the client in which you
are working is already in productive operation.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

MM201 - Details

• The SAP error message MM201 ("You cannot perform this function in this client") typically occurs when a user attempts to execute a transaction or function that is not allowed in the current client. This is often related to the configuration settings of the SAP system.
  Causes:
  
  Client Settings: The client may be set to a specific configuration that restricts certain functions. For example, the client could be in a development or testing mode where certain transactions are disabled.
  User Authorizations: The user may not have the necessary authorizations to perform the action in the current client.
  Transaction Restrictions: Certain transactions may be restricted in specific clients due to business processes or compliance requirements.
  System Configuration: The system may be configured to prevent certain actions in specific clients, such as production clients.
  
  Solutions:
  
  Check Client Settings: Verify the client settings to ensure that the function you are trying to perform is allowed. You can check this with your