Message type: E = Error
Message class:  67_LOAN - Messages for Fin. Asset Management for Loans - Continued 
Message number: 743
Message text: Only condition types related to loans are permitted
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 67_LOAN743 indicates that there is an issue with the condition types being used in a loan-related transaction. Specifically, this error occurs when the system detects that the condition types applied in the transaction are not valid for loan processing.
Cause: The primary cause of this error is that the condition types specified in the pricing procedure or transaction are not configured to be used with loan-related transactions. In SAP, condition types are used to determine pricing, discounts, and other financial calculations, and only specific condition types are allowed for loan processing.
Solution: To resolve this error, you can take the following steps: Check Condition Types: Review the condition types being used in the transaction. Ensure that they are specifically related to loans. You can do this by checking the configuration in the SAP system. Configuration Review: Go to the transaction code SPRO (SAP Project Reference Object). Navigate to Financial Services > Loans >
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
67_LOAN742 Condition Type field cannot be left blank
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
67_LOAN741 ********* IR - Control on change of condition items - START *************
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
67_LOAN744 Posted condition item &1 cannot be changed (effective from &2)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
67_LOAN745 Changes not allowed for posted condition items.
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.