Message type: E = Error
Message class:  ICL_PMI - FS-CM / FS-PM Interface 
Message number: 011
Message text: Enter a source structure or a method
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 ICL_PMI011 ("Enter a source structure or a method") typically occurs in the context of the SAP Insurance module, particularly when dealing with the configuration of the Insurance Contract Lifecycle (ICL) or related processes. This error indicates that the system expects a source structure or method to be specified, but it has not been provided.
Cause:
Missing Configuration: The error often arises when a required configuration for a source structure or method is not set up in the system.
Incorrect Input: The user may have navigated to a transaction or screen that requires specific input fields to be filled out, but they were left blank.
Authorization Issues: Sometimes, the user may not have the necessary authorizations to view or select the required structures or methods.
Solution:
Check Input Fields: Ensure that you have filled in all required fields in the transaction or screen where the error occurred. Specifically, look for fields related to Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
ICL_PMI010 Enter a parameter category
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
ICL_PMI009 Enter a priority
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
ICL_PMI020 Connection to the partner system could not be made
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
ICL_PMI021 Non-assignable clauses have been transferred to the interface
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.