How To Fix MN389 - Too many list levels (Please exit a list)

SAP Error Message - Details

• Message type: E = Error

• Message class: MN - Message class for subsequent settlement (Purchasing)

• Message number: 389

• Message text: Too many list levels (Please exit a list)

What causes this issue?

Each time the function you requested is invoked, a new list is created.
In the process, the previous list is stored in each case.
For technical reasons, no further list can now be created.

System Response

The function you wish to invoke cannot be performed.

How to fix this error?

Please close one of the previously created lists.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MN389 - Too many list levels (Please exit a list) ?

  The SAP error message MN389, which states "Too many list levels (Please exit a list)," typically occurs when a user is navigating through multiple list levels in SAP and exceeds the system's limit for nested lists. This can happen in various transactions where lists are displayed, such as in reporting or data retrieval functions.
  Cause:
  
  Excessive List Levels: The primary cause of this error is that the user has navigated too deeply into nested lists. SAP has a limit on how many levels of lists can be opened simultaneously, and exceeding this limit triggers the error.
  System Configuration: The configuration settings in the SAP system may impose restrictions on the number of list levels that can be opened.
  
  Solution:
  
  Exit Nested Lists: The immediate solution is to exit the current list or navigate back to a previous level. You can do this by using the "Back" button or the "Exit" option in the menu.
  Close Unused Lists: If you have multiple lists open, try to close any that are not needed. This can help free up the list levels and allow you to continue working without encountering the error.
  Check for Updates: Ensure that your SAP system is up to date, as newer versions may have improved handling of list levels or increased limits.
  Consult Documentation: Review SAP documentation or help resources for specific transactions you are using to understand their limitations regarding list levels.
  Contact SAP Support: If the issue persists or if you frequently encounter this error, consider reaching out to your SAP support team or SAP directly for assistance. They may provide insights into configuration changes or system settings that can help.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes often provide solutions or workarounds for specific problems.
  User Training: If this error occurs frequently, consider providing training for users on how to navigate lists effectively in SAP to avoid exceeding the list level limits.
  System Configuration: If you have access to system configuration, you may want to review the settings related to list handling and see if adjustments can be made to accommodate deeper navigation.
  
  By following these steps, you should be able to resolve the MN389 error and continue your work in SAP without further interruptions.