How To Fix LXE_MASTER020 - Error is possibly caused by a unique secondary index (see long text)

SAP Error Message - Details

• Message type: E = Error

• Message class: LXE_MASTER - Messages for translation administration environment

• Message number: 020

• Message text: Error is possibly caused by a unique secondary index (see long text)

What causes this issue?

Translated table entries cannot be saved.

System Response

System exception CX_SY_OPEN_SQL_DB is thrown suggesting that there are
duplicates with regard to the primary table key.

How to fix this error?

This problem is often caused by a unique secondary index comprising also
the text fields to be translated. You should check the table definition
in the Data Dictionary (see below). If there is an index of this kind
then it either must be deleted or the texts of the field in question
must be translated using unique values. The table field names are
visible as a part of the text key in the SE63 short text editor.

Procedure for System Administrators

Check table definition: Transaction SE11->Enter table
name->Display->Indexes...
Only unique indexes are relevant in this context.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LXE_MASTER020 - Error is possibly caused by a unique secondary index (see long text) ?

  The SAP error message LXE_MASTER020 typically indicates an issue related to the unique secondary index in the context of handling master data in the Logistics Execution (LE) module. This error often arises when there is an attempt to create or update a record that violates the uniqueness constraint defined by a secondary index.
  Cause:
  The error is likely caused by one of the following scenarios:
  
  Duplicate Entries: There may be an attempt to insert or update a record that would result in duplicate values for a field that is defined as unique in the secondary index.
  Data Integrity Issues: The data being processed may not conform to the expected format or constraints, leading to conflicts with existing records.
  Incorrect Configuration: The configuration of the secondary index may not align with the current data model or business requirements.
  
  Solution:
  To resolve the LXE_MASTER020 error, you can take the following steps:
  
  
  Check for Duplicates:
  
  Review the data you are trying to insert or update. Ensure that there are no existing records with the same values for the fields that are part of the unique secondary index.
  Use transaction codes like SE16 or SE11 to query the relevant database table and check for duplicates.
  
  
  
  Review the Secondary Index:
  
  Check the definition of the secondary index in the relevant table. You can do this using transaction SE11 (Data Dictionary) to ensure that the index is correctly defined and that the fields included in the index are appropriate.
  
  
  
  Data Cleansing:
  
  If duplicates are found, you may need to clean up the data. This could involve deleting or merging records to ensure that the uniqueness constraint is maintained.
  
  
  
  Adjust Data Input:
  
  If the error occurs during data input, ensure that the data being entered adheres to the constraints of the secondary index. Modify the input data as necessary.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific table and index to understand any additional constraints or requirements.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you cannot identify the cause, consider reaching out to SAP support for further assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: SE11 (Data Dictionary), SE16 (Data Browser), and SE78 (SAP Archive Link) can be useful for checking data and index definitions.
  SAP Notes: Search for relevant SAP Notes that may address known issues or provide patches related to the LXE_MASTER020 error.
  Logistics Execution Documentation: Familiarize yourself with the Logistics Execution module documentation to understand how master data is structured and managed.
  
  By following these steps, you should be able to identify the root cause of the LXE_MASTER020 error and implement a suitable solution.