How To Fix MPN01046 - Wrong status in database! Material & or & not unique

MPN01046 - Overview

• Message type: E = Error

• Message class: MPN01 - MPN Message: Material Master / customizing

• Message number: 046

• Message text: Wrong status in database! Material & or & not unique

What causes this issue?

It has been determined that a material that has to be converted appears
more than once in the database. The database tables MARA and MATERIALID
are therefore partly incorrect.

System Response

The system could not completely activate/deactivate the MPN conversion.

How to fix this error?

Change the material master of the material specified in the message.
Change the MPN or enter a new MPN (field MARA-MFRPN), or expand the
converted expression by adding an external manufacturer (field
LFA1-EMNFR).
If this does not work, go to table MATERIALID using transaction SE16,
and search for duplicates in the primary key MATNR_INT and in the
secondary key MATNR_EXT, and change them, where necessary.
Then, repeat activation/deactivation.

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 MPN01046 - Wrong status in database! Material & or & not unique ?

  The SAP error message MPN01046, which states "Wrong status in database! Material & or & not unique," typically occurs in the context of Material Master data or when dealing with materials in the SAP system. This error indicates that there is an issue with the uniqueness of the material records in the database.
  
  Cause:
  
  
  Duplicate Entries: The most common cause of this error is that there are duplicate entries for the material in the database. This can happen if the same material number is being used for different materials or if there are inconsistencies in the material master data.
  
  
  Incorrect Status: The material may have an incorrect status in the database, which could be due to a failed update or a transaction that did not complete successfully.
  
  
  Data Inconsistency: There may be inconsistencies in the data related to the material, such as missing or incorrect information in the material master records.
  
  
  Database Locking Issues: Sometimes,