How To Fix /CCIS/TAX400 - Please enter a session name and user name

/CCIS/TAX400 - Overview

• Message type: E = Error

• Message class: /CCIS/TAX -

• Message number: 400

• Message text: Please enter a session name and user name

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.

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/CCIS/TAX400 - Details

• The SAP error message /CCIS/TAX400 Please enter a session name and user name typically occurs in the context of the SAP Convergent Charging (CC) application, particularly when trying to initiate a session for tax calculation or related processes. This error indicates that the system requires both a session name and a user name to proceed, but these fields have not been filled in.
  
  Cause:
  
  Missing Input: The most common cause of this error is that the user has not provided the required session name and user name in the relevant fields.
  
  Configuration Issues: There may be issues with the configuration of the tax calculation session or the user roles and authorizations.
  System Bugs: Occasionally, this error can arise from bugs or inconsistencies in the SAP system or the specific version of the Convergent Charging application.
  
  
  Solution:
  
  
  Enter Required Information:
  
  Ensure that you fill in both the session name and user name fields before attempting to proceed. 
  The