How To Fix ISSR2026 - List output not defined in Customizing; list type &1 not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: ISSR2 - Message Class for Statutory Reporting: Output

• Message number: 026

• Message text: List output not defined in Customizing; list type &1 not defined

What causes this issue?

In table <NP>TISSR_OUT_LT</>, the entry for list type &V1& of SR variant
&V2& does not exist.

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?

Check the selection options for SR variant &V1& and list type &V2& as
well as the Customizing settings in the IMG activity
<DS:SIMG.ISSR_OUT_DEF_LIST>Define List Output</> under <ZK>Definition of
List Type</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message ISSR2026 - List output not defined in Customizing; list type &1 not defined ?

  The SAP error message ISSR2026, which states "List output not defined in Customizing; list type &1 not defined," typically occurs when the system is unable to find the necessary configuration for a specific list output type in the Customizing settings. This can happen in various SAP modules, particularly in the context of reporting or output generation.
  Cause:
  
  Missing Customization: The specific list type referenced by &1 is not defined in the Customizing settings. This could be due to a missing entry or an incorrect configuration.
  Incorrect List Type: The list type being requested may not exist or may have been deleted or renamed in the system.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the list output configuration.
  
  Solution:
  
  
  Check Customizing Settings:
  
  Go to the relevant Customizing transaction (usually SPRO).
  Navigate to the area related to the specific module or application where the error occurred.
  Look for the section related to list outputs or reporting.
  Ensure that the list type &1 is defined correctly. If it is missing, you may need to create it or restore it from a backup.
  
  
  
  Define List Output:
  
  If you find that the list type is not defined, you can create a new entry for it. This typically involves specifying the output format, layout, and any other relevant parameters.
  
  
  
  Check for Transport Issues:
  
  If the system has recently undergone a transport of changes, ensure that all necessary objects related to the list output have been transported correctly.
  
  
  
  User Authorizations:
  
  Verify that the user encountering the error has the necessary authorizations to access the list output configuration. This can be checked in the user roles and profiles.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on configuring list outputs for the module you are working with.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (Customizing), SE80 (Object Navigator), or SE11 (Data Dictionary) that may help in troubleshooting.
  SAP Notes: Search for SAP Notes related to the specific error message or list output configuration for additional insights or known issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the cause of the ISSR2026 error message in your SAP system.