How To Fix MDC_MODEL049 - Altering root table for model &1 is not allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: MDC_MODEL - Messages In Context Of MDC Model

• Message number: 049

• Message text: Altering root table for model &1 is not allowed

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message MDC_MODEL049 - Altering root table for model &1 is not allowed ?

  The SAP error message MDC_MODEL049, which states "Altering root table for model &1 is not allowed," typically occurs in the context of SAP HANA or SAP S/4HANA when working with the Modeler or when trying to modify a data model that has a root table defined.
  
  Cause:
  This error arises when you attempt to change the root table of a data model that is not permitted to be altered. The root table is a fundamental part of the data model, and certain restrictions are in place to maintain data integrity and consistency. The following are common causes for this error:
  
  
  Model Type Restrictions: The model type you are working with may not allow changes to the root table. For example, certain types of calculation views or analytical models have strict definitions.
  
  
  Dependencies: There may be existing dependencies or references to the root table that prevent it from being altered. This includes other views, calculations,