How To Fix MDG_DT_DATA_MODEL149 - Attribute names must not start with ZZ* or YY* in SAP landscape.

SAP Error Message - Details

• Message type: E = Error

• Message class: MDG_DT_DATA_MODEL - Messages for the Configuration Workbench Model Access API

• Message number: 149

• Message text: Attribute names must not start with ZZ* or YY* in SAP landscape.

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 MDG_DT_DATA_MODEL149 - Attribute names must not start with ZZ* or YY* in SAP landscape. ?

  The SAP error message MDG_DT_DATA_MODEL149 indicates that attribute names in the Data Model for Master Data Governance (MDG) should not start with the prefixes "ZZ" or "YY". This restriction is in place to ensure that custom attributes do not conflict with standard SAP attributes and to maintain a clear distinction between standard and custom fields.
  Cause:
  
  Naming Convention: In SAP, the prefixes "ZZ" and "YY" are typically reserved for custom developments. The system enforces this rule to prevent potential conflicts with standard SAP attributes and to ensure that custom fields are easily identifiable.
  Data Model Configuration: When configuring a data model in MDG, if you attempt to create or modify an attribute that starts with these prefixes, the system will raise this error.
  
  Solution:
  
  Rename Attributes: Change the names of the attributes that start with "ZZ" or "YY" to something that does not start with these prefixes. For example, you could use "Z" or "Y" followed by a meaningful name that describes the attribute.
  Review Naming Conventions: Ensure that all custom attributes adhere to SAP's naming conventions. This will help avoid similar issues in the future.
  Check Data Model Configuration: If you are working with a data model, review the configuration to ensure that all attributes comply with the naming rules.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Master Data Governance for guidelines on naming conventions and data model configuration.
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or updates regarding this error message.
  Community Forums: Engage with SAP community forums or support channels for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error and successfully configure your data model in SAP MDG.