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

SAP Error Message - Details

• 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?

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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.

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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 can check this in transaction SU01 (User Maintenance).
  
  
  
  Assign Missing Roles:
  
  If roles are missing, work with your SAP security team to assign the appropriate roles to the user.
  
  
  
  Review Application Configuration:
  
  Check the configuration settings for the application in question. This may involve looking at customizing settings or application-specific parameters.
  
  
  
  Check System Logs:
  
  Use transaction SM21 to review the system logs for any related errors or warnings that could provide more context about the issue.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. Provide them with the error message and any relevant logs.
  
  
  
  Testing in Different Environments:
  
  If possible, test the application in a different environment (e.g., development or quality assurance) to see if the issue is specific to the production environment.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SU01: User Maintenance
  SU53: Authorization Check
  PFCG: Role Maintenance
  SM21: System Log
  ST22: Dump Analysis (to check for ABAP runtime errors)
  
  
  
  Documentation: Refer to SAP Help Portal or specific application documentation for more details on required authorizations and configurations.
  
  
  User Groups: Sometimes, users are part of specific user groups that have different authorizations. Ensure that the user is in the correct group.
  
  
  By following these steps, you should be able to diagnose and resolve the issue related to the error message /PLMU/AUTH_UI021.