How To Fix BM106 - The table T006A contains duplicate keys

BM106 - Overview

• Message type: E = Error

• Message class: BM - Development class BZME - units of measure

• Message number: 106

• Message text: The table T006A contains duplicate keys

What causes this issue?

Table T006A contains double language-specific keys.

System Response

Double language-specific keys can lead to errors and terminations in
application programs.

How to fix this error?

Leave the application. Start the report RBZMECHK. This report cleans up
table T006A.
Start your application again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BM106 - The table T006A contains duplicate keys ?

  The SAP error message BM106 indicates that there are duplicate keys in the table T006A, which is used for storing unit of measure (UoM) information. This error typically arises during data entry or when trying to activate or transport data that involves this table.
  
  Cause:
  The primary cause of the BM106 error is the presence of duplicate entries in the T006A table. This can happen due to:
  
  Data Import Issues: If data is imported into the system (e.g., through LSMW, BAPIs, or other data migration tools) and the source data contains duplicates, this can lead to conflicts.
  Manual Data Entry: Users may inadvertently create duplicate entries when entering data manually.
  System Bugs or Inconsistencies: Sometimes, bugs or inconsistencies in the system can lead to duplicate entries being created.
  
  
  Solution:
  To resolve the BM106 error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Use transaction code SE11 (Data Dictionary) or SE16 (Data Browser) to view the T006A table.
  Execute a query to