Do you have any question about this error?
Message type: E = Error
Message class: USMD_CREQUEST_API - Message Class for Change Request API
Message number: 031
Message text: Singleton cardinality violated for entity &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.
USMD_CREQUEST_API031
- Singleton cardinality violated for entity &1 ?Get instant SAP help. Start your 7-day free trial now.
USMD_CREQUEST_API030
Register entity keys in table USMD1213 first
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD_CREQUEST_API029
Type 1 entity key component &1=&2 not registered in table USMD1213
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD_CREQUEST_API032
You cannot edit the change request in status &1
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD_CREQUEST_API033
Enter a valid change request type
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.