Message type: E = Error
Message class:  67_LOAN - Messages for Fin. Asset Management for Loans - Continued 
Message number: 754
Message text: Loan discount method cannot be changed as posting exists.
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_LOAN754 indicates that you are trying to change the loan discount method for a loan that already has postings. This typically occurs in the context of financial transactions where certain parameters cannot be modified once the loan has been processed or posted.
Cause: The primary cause of this error is that the loan discount method is a critical parameter that affects how interest and discounts are calculated for the loan. Once the loan has been posted (i.e., transactions have been recorded against it), the system prevents changes to this parameter to maintain data integrity and ensure that financial reporting remains accurate.
Solution: To resolve this error, you have a few options: Check for Open Postings: Review the loan to see if there are any open postings. If there are, you may need to reverse or clear these postings before you can change the loan discount method. Create a New Loan: If reversing
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
67_LOAN753 ******************* START - Loan Contract API related *******************
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
67_LOAN752 **************** IR - Control on cash flow display - END ****************
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
67_LOAN755 Contract currency cannot be changed as posting exists.
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
67_LOAN756 Interest calculation capital method cannot be changed as posting exists.
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.