Message type: E = Error
Message class:  CRMS4_SOM_PROD_BO - Messages for BO Subscription Product Specification 
Message number: 023
Message text: Charge plan '&1' does not 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 CRMS4_SOM_PROD_BO023 indicates that a charge plan specified in your system does not exist. This error typically occurs in the context of SAP CRM (Customer Relationship Management) when trying to access or process a charge plan that has not been defined or has been deleted.
Cause: Non-Existent Charge Plan: The charge plan referenced in the transaction or process does not exist in the system. Incorrect Configuration: The charge plan may not have been properly configured or activated. Data Entry Error: There may be a typographical error in the charge plan ID being referenced. Transport Issues: If the charge plan was recently transported from another system, it may not have been included in the transport request.
Solution: Verify Charge Plan ID: Check the charge plan ID being used in the transaction. Ensure that it is correctly entered and exists in the system. Create or Activate Charge Plan: If the charge plan does not exist, you may
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
CRMS4_SOM_PROD_BO022 Charge plan '&1': Assignment ID is not unique
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRMS4_SOM_PROD_BO021 Charge plan '&1': Assignment ID is initial
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRMS4_SOM_PROD_BO024 Maintain charge plan ID
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
CRMS4_SOM_PROD_BO025 Maintain external object
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.