How To Fix TT166 - You are not allowed to execute in & client & (client table T000)

TT166 - Overview

• Message type: E = Error

• Message class: TT - Extended Computer Aided Test Tool (eCATT) messages

• Message number: 166

• Message text: You are not allowed to execute in & client & (client table T000)

What causes this issue?

You are not allowed to carry out test procedures in the current client.

System Response

When the clients are created for a system, a flag can be set in the
table T000 to indicate whether or not test procedures can be executed
in this client.

How to fix this error?

Make sure that you are logged on to the correct client. Have the client
modified if necessary.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TT166 - You are not allowed to execute in & client & (client table T000) ?

  The SAP error message TT166, which states "You are not allowed to execute in & client & (client table T000)," typically occurs when a user attempts to perform an action in a client where they do not have the necessary authorizations. This error is related to client-specific settings in SAP, particularly in the context of client administration and user authorizations.
  
  Cause:
  
  Authorization Issues: The user does not have the required authorizations to perform the action in the specified client. This could be due to missing roles or profiles that grant access to the client.
  Client Settings: The client may be set to a status that restricts access, such as being in a "not modifiable" state or being a production client where only certain users can perform specific actions.
  User Master Record: The user’s master record may not be properly configured for the client in question.
  
  
  Solution:
  
  
  Check User Authorizations:
  
  Use transaction code SU53 immediately after the error