How To Fix MCW_AA801 - System error &1 occurred when calling &2 in system &3

SAP Error Message - Details

• Message type: E = Error

• Message class: MCW_AA - Messages for BW Interface Analytical Applications

• Message number: 801

• Message text: System error &1 occurred when calling &2 in system &3

What causes this issue?

The system &V3& is currently not available, or the communication with
this system has been interrupted. Consequently, the function &V2& cannot
be executed.
The error that occurred is: &V1&

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Contact your system administrator to have the problem fixed. You cannot
continue with this activity until then.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MCW_AA801 - System error &1 occurred when calling &2 in system &3 ?

  The SAP error message MCW_AA801 typically indicates a system error that occurred during a specific operation, often related to the Asset Accounting (AA) module. The error message format suggests that it is a generic error, and the placeholders (&1, &2, &3) will be replaced with specific information about the error, such as the error code, the function or method that was called, and the system in which the error occurred.
  Possible Causes:
  
  Configuration Issues: There may be incorrect or incomplete configuration settings in the Asset Accounting module.
  Data Inconsistencies: There could be inconsistencies or corruption in the data related to asset records.
  System Performance: The system may be experiencing performance issues, such as memory shortages or database locks.
  Authorization Problems: The user may not have the necessary authorizations to perform the operation.
  Program Errors: There may be bugs or issues in the custom code or standard SAP programs being executed.
  
  Solutions:
  
  Check Configuration: Review the configuration settings in the Asset Accounting module to ensure they are set up correctly.
  Data Consistency Check: Use transaction codes like AB01 or AB02 to check for inconsistencies in asset data. You may also want to run consistency checks using transaction code OAAQ.
  System Performance: Monitor system performance and check for any locks or performance bottlenecks. You can use transaction codes like SM12 (to check for locks) and ST22 (to check for dumps).
  Authorization Check: Ensure that the user has the necessary authorizations to perform the action that triggered the error. You can use transaction SU53 to analyze authorization issues.
  Debugging: If you have access to the development environment, you can debug the program that is causing the error to identify the root cause.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as OAAQ (Asset Accounting: Consistency Check), AB01 (Post Asset Document), and SM21 (System Log).
  SAP Support: If the issue persists, consider reaching out to SAP Support with the error details, including the specific error codes and context in which the error occurred.
  Documentation: Review SAP documentation related to Asset Accounting for any known issues or troubleshooting steps.
  
  By following these steps, you should be able to diagnose and potentially resolve the MCW_AA801 error in your SAP system.