How To Fix /PLMU/AUTH_UI021 - Cannot start the application. Contact your system administrator.

/PLMU/AUTH_UI021 - Overview

• Message type: E = Error

• Message class: /PLMU/AUTH_UI -

• Message number: 021

• Message text: Cannot start the application. Contact your system administrator.

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 /PLMU/AUTH_UI021 - Cannot start the application. Contact your system administrator. ?

  The SAP error message /PLMU/AUTH_UI021 Cannot start the application. Contact your system administrator typically indicates an authorization issue or a problem with the configuration of the application you are trying to access. Here are some potential causes, solutions, and related information:
  Causes:
  
  Authorization Issues: The user may not have the necessary authorizations to access the application or transaction.
  Missing Roles: The user might not be assigned the correct roles that include the necessary permissions.
  Configuration Problems: There could be issues with the configuration of the application itself, such as missing or incorrect settings.
  System Errors: There may be underlying system errors or issues with the SAP environment that are preventing the application from starting.
  Transport Issues: If the application was recently transported from another system, there may be missing objects or configurations.
  
  Solutions:
  
  
  Check User Authorizations:
  
  Use transaction SU53 to analyze the last authorization check and see what is missing.
  Ensure that the user has the necessary roles assigned. You