How To Fix MCEX184 - Error while reading tables TMCEXACT and TMCEXUPD

MCEX184 - Overview

• Message type: E = Error

• Message class: MCEX - Extraction Interface LIS/BW

• Message number: 184

• Message text: Error while reading tables TMCEXACT and TMCEXUPD

What causes this issue?

There was a problem reading the tables TMCEXUPD and TMCEXACT.

System Response

The system now adopts posting mode &V2& for the logistic application
&V1&.

How to fix this error?

Check the contents of the above tables (for example, comparison
with another system) as well as the database consistency.

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.

MCEX184 - Details

• The SAP error message MCEX184, which states "Error while reading tables TMCEXACT and TMCEXUPD," typically occurs in the context of the SAP Material Management (MM) module, particularly when dealing with the Material Ledger or related functionalities. This error indicates that there is an issue with reading the specified database tables, which can be caused by several factors.
  Causes:
  
  Database Issues: The tables TMCEXACT and TMCEXUPD may be corrupted or not properly updated. This can happen due to database inconsistencies or issues during data migration.
  Authorization Problems: The user may not have the necessary authorizations to access these tables.
  
  Configuration Issues: Incorrect configuration settings in the Material Ledger or related modules can lead to this error.
  Transport Issues: If there were recent transports that included changes to these tables or related configurations, they may not have been executed correctly.
  System Performance: If the system is under heavy load, it may lead to timeouts or failures in reading