Message type: E = Error
Message class: DMCLG - DMC Tool Development
Message number: 831
Message text: Primary relationship type can not be Aggregation for structure &1
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.
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.
The SAP error message DMCLG831 indicates that there is an issue with the primary relationship type defined for a structure in the Data Model. Specifically, it states that the primary relationship type cannot be set to "Aggregation" for the specified structure.
Cause: The primary relationship type in a data model defines how entities are related to each other. In this case, the error arises because the system does not allow the primary relationship type to be set as "Aggregation" for the specified structure. This restriction is typically in place because aggregation relationships imply a different kind of relationship that may not be suitable for the primary relationship in the context of the data model.
Solution: To resolve this error, you should: Check the Structure Definition: Review the structure definition in the data model to ensure that the primary relationship type is set correctly. You may need to change the primary relationship type to a different
Get instant SAP help. Sign up for our Free Essentials Plan.
DMCLG830 Collective access plan &1 already defined
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
DMCLG829 Key must be unique
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
DMCLG832 Secondary relationship type can't be 'split' for structure &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
DMCLG833 Sender field has reference null
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
Click on this link to search all SAP messages.