How To Fix UCLP062 - List &1 does not exist in the list hierarchy

SAP Error Message - Details

• Message type: E = Error

• Message class: UCLP - Messages for List Processor

• Message number: 062

• Message text: List &1 does not exist in the list hierarchy

What causes this issue?

The control table <ZK>ET_BLIST</>, which contains the list hierarchy of
the report program, points to the list &V1&. However, this list is
<ZH>not</> contained in table <ZK>ET_LIST</>, which needs to contain
all lists.

System Response

The list processor of the system has no definition for list &V1&, and
therefore cannot create a list hierarchy. The system terminates
processing.

How to fix this error?

Check the tables <ZK>ET_LIST</> and <ZK>ET_BLIST</>, and insert into
table <ZK>ET_LIST</> a definition for all lists that are contained in
table <ZK>ET_BLIST</>.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCLP062 - List &1 does not exist in the list hierarchy ?

  The SAP error message UCLP062, which states "List &1 does not exist in the list hierarchy," typically occurs in the context of SAP's classification system or when dealing with lists in the SAP system. This error indicates that the system is unable to find a specified list in the hierarchy that it is supposed to reference.
  Cause:
  
  Non-Existent List: The list you are trying to access or reference does not exist in the system. This could be due to a typo in the list name or ID.
  Incorrect Hierarchy: The list may not be part of the expected hierarchy, meaning it has not been properly linked or structured within the classification system.
  Authorization Issues: The user may not have the necessary permissions to access the list, leading to the system not being able to retrieve it.
  Data Deletion: The list may have been deleted or archived, making it unavailable for current operations.
  
  Solution:
  
  Verify List Existence: Check if the list you are trying to access actually exists. You can do this by navigating to the relevant transaction or using the appropriate report to view the lists.
  Check Hierarchy Structure: Ensure that the list is correctly structured within the hierarchy. You may need to review the configuration settings or hierarchy definitions in the SAP system.
  Correct Typographical Errors: If you are manually entering the list name or ID, double-check for any typographical errors.
  Review Authorizations: Ensure that your user account has the necessary permissions to access the list. You may need to consult with your SAP security administrator.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the classification system and list management.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal IT support team for further assistance.
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may be using specific transaction codes related to classification or list management (e.g., CL02 for changing classes, CL03 for displaying classes).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the UCLP062 error and implement a solution to resolve it.