How To Fix CNV_00001518 - &1 is a standard table. Settings maintenance not allowed. See long text.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_00001 - Message class for CWB settings maintenance programs

• Message number: 518

• Message text: &1 is a standard table. Settings maintenance not allowed. See long text.

What causes this issue?

&V1& is a SAP standard table.Only SAP is allowed to perform settings for
standard table. If this table definition was delivered with conversion
package then its settings should be correct and they should remain
unchanged.
If, however, this table was found during the search for customer tables
you should contact SAP support to obtain help resolving this issue.

System Response

If the settings for the table &V1& are not maintained correctly the
conversion will not run correctly.

How to fix this error?

If &V1& was found during the search activity contact SAP support by
opening the OSS message.

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 CNV_00001518 - &1 is a standard table. Settings maintenance not allowed. See long text. ?

  The SAP error message CNV_00001518 indicates that you are trying to make changes to a standard table, which is not allowed in the SAP system. This error typically arises during data migration or conversion processes, especially when using tools like the SAP S/4HANA Migration Cockpit or other data transfer methods.
  Cause:
  The error occurs because:
  
  You are attempting to modify a standard SAP table that is not meant to be changed directly.
  The system has restrictions in place to protect the integrity of standard tables, which are part of the core SAP functionality.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check the Table: Verify if the table you are trying to modify is indeed a standard table. You can do this by checking the table definition in the Data Dictionary (transaction SE11).
  
  
  Use Custom Tables: If you need to store custom data, consider creating a custom Z-table instead of modifying a standard table. This allows you to maintain your data without affecting the standard SAP functionality.
  
  
  Review Migration Settings: If you are using a migration tool, ensure that you are following the correct procedures for data migration. Check the mapping and transformation rules to ensure that you are not inadvertently trying to modify standard tables.
  
  
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration or conversion process you are using. There may be specific guidelines or best practices to follow.
  
  
  Contact SAP Support: If you are unsure about the changes you are trying to make or if you believe this error is occurring inappropriately, consider reaching out to SAP support for assistance.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might provide additional context or solutions for this error.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, especially when dealing with standard tables.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE80 (Object Navigator), and ST22 (Dump Analysis) to investigate further.
  
  By following these steps, you should be able to address the CNV_00001518 error effectively.