Message type: E = Error
Message class:  USMD_CONV_SOM_GOV - Messages from the Convenience API 
Message number: 011
Message text: Creation of change request is not possible as changes exist
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 USMD_CONV_SOM_GOV011 indicates that a change request cannot be created because there are existing changes in the system that need to be addressed first. This error typically occurs in the context of SAP Master Data Governance (MDG) when trying to create a change request for master data.
Cause: Existing Changes: There are pending changes in the system that have not been processed or finalized. This could be due to an open change request that has not been completed or approved. Data Locking: The data you are trying to change might be locked due to another user or process that is currently working on it. Inconsistent Data State: The system may be in an inconsistent state due to previous operations that were not completed successfully.
Solution: Check for Open Change Requests: Navigate to the change request management area in SAP MDG and check if there are any open or pending change requests. If there
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
USMD_CONV_SOM_GOV010 Change request creation not possible as change request &1 already exists
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD_CONV_SOM_GOV009 Object list of change request &1 is empty; saving not possible
What causes this issue?  The current change request does not contain any data changes.System Response  The system cannot save the current change reque...
USMD_CONV_SOM_GOV012 Select identical entity types
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
USMD_CONV_SOM_GOV013 The system did not find a valid change request type
What causes this issue?  For the current action the system could not find a valid change request type. This can have different reasons: For the combin...
Click on this link to search all SAP messages.