How To Fix SCH_MDL004 - This call is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: SCH_MDL - Message class for Manage Search model app

• Message number: 004

• Message text: This call is not allowed

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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Smart SAP Assistant

• What is the cause and solution for SAP error message SCH_MDL004 - This call is not allowed ?

  The SAP error message SCH_MDL004 ("This call is not allowed") typically occurs in the context of scheduling or model-related functions within SAP systems, particularly when dealing with background jobs, scheduling tasks, or executing certain functions that are restricted under specific conditions.
  Cause:
  
  Authorization Issues: The user may not have the necessary authorizations to perform the action they are trying to execute.
  System Configuration: Certain functions may be restricted based on system settings or configurations, preventing the execution of specific calls.
  Incorrect Function Call: The function or method being called may not be valid in the current context or may not be allowed to be executed at that time.
  Job Status: If the job or task is in a status that does not allow further processing (e.g., it is already running or has completed), this error may occur.
  
  Solution:
  
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the action. This can be done by reviewing the user's roles and permissions in the SAP system.
  Review Configuration: Check the system configuration settings related to the scheduling or model functions to ensure that they allow the intended operations.
  Validate Function Calls: Ensure that the function or method being called is appropriate for the current context. Review the documentation for the specific function to confirm its usage.
  Job Monitoring: If the error is related to a background job, check the status of the job in transaction codes like SM37 (Job Monitoring) to see if it is in a state that allows further processing.
  Consult Documentation: Refer to SAP documentation or notes related to the specific module or function you are working with for any additional insights or known issues.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message SCH_MDL004. You can search for relevant notes in the SAP Support Portal.
  Transaction Codes: Familiarize yourself with transaction codes like SM37 (for job monitoring), SU53 (to check authorization issues), and ST22 (for dumps) to help diagnose the problem.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact your SAP support team or consult with an SAP expert for further assistance.