Message type: E = Error
Message class:  /IWBEP/CM_SBMG -  
Message number: 030
Message text: First character in Model Provider Class name '&1' cannot be a number
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 /IWBEP/CM_SBMG030 indicates that there is an issue with the naming convention of a Model Provider Class in your SAP system. Specifically, the error states that the first character in the Model Provider Class name cannot be a number. This is a common restriction in many programming languages and environments, including ABAP (Advanced Business Application Programming), which is used in SAP.
Cause: The error is triggered when the name of the Model Provider Class you are trying to use or create starts with a numeric character (0-9). In ABAP, class names must adhere to specific naming conventions, and starting a name with a number is not allowed.
Solution: To resolve this error, you need to rename the Model Provider Class so that it does not start with a numeric character. Here are the steps you can follow: Identify the Class Name: Check the name of the Model Provider Class that is causing
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
/IWBEP/CM_SBMG029 Special Characters are not allowed in the Model Provider Class name '&1'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/CM_SBMG028 Provide Model Provider Class name!
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/CM_SBMG031 Enter a valid Model Provider Class name '&1'
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
/IWBEP/CM_SBMG032 Model Provider Class name and Data Provider Class name cannot be the same
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.