How To Fix MDC_HDB_MTC077 - Key attribute &1 will be added from entity &2

MDC_HDB_MTC077 - Overview

• Message type: E = Error

• Message class: MDC_HDB_MTC - Message class for master data consolidation matching

• Message number: 077

• Message text: Key attribute &1 will be added from entity &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_HDB_MTC077 - Key attribute &1 will be added from entity &2 ?

  The SAP error message MDC_HDB_MTC077 indicates that a key attribute is being added from a specific entity in the context of SAP HANA database modeling, particularly when working with Multi-tenant Database Containers (MDC) or when dealing with data modeling in SAP HANA.
  
  Cause:
  This error typically arises when there is an inconsistency or conflict in the data model, particularly when defining key attributes for entities (like tables or views). The system is trying to add a key attribute from one entity to another, which may not be allowed due to the current configuration or relationships defined in the data model.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Review the Data Model: Check the entities involved in the error message. Ensure that the key attributes are correctly defined and that there are no conflicts in the relationships between the entities.
  
  
  Check Key Attributes: Verify that the key attributes you are trying to add are appropriate