Message type: E = Error
Message class:  67_LOAN - Messages for Fin. Asset Management for Loans - Continued 
Message number: 002
Message text: There is no partner with a customer account for loan &1
You have attempted to assign a partner to a flow record. This is not
possible, since the underlying loan is not managed on the basis of
customer accounts.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message 67_LOAN002 indicates that there is no partner with a customer account associated with the specified loan. This error typically arises in the context of financial transactions or loan management within the SAP system, particularly when trying to process a loan that requires a customer account to be linked to it.
Cause: Missing Customer Account: The most common cause is that the loan is not linked to a valid customer account in the system. Incorrect Partner Function: The partner function for the loan may not be set up correctly, or the partner role may not be defined for the customer. Data Inconsistency: There may be inconsistencies in the master data, such as the customer account not being created or activated.
Configuration Issues: The configuration settings for loan management or customer accounts may not be properly set up.
Solution: Check Customer Account: Verify that the customer account exists in the system and is active. You
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
67_LOAN001 You are not authorized to change data
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
67_LOAN000 ******************   Manual entry of transaction activities ************
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
67_LOAN003 Assign a partner to the flow record
What causes this issue?  If a loan is managed on the basis of customer accounts, you must assign a partner to each flow record.System Response  The sy...
AA352 Posting not possible (Value date earlier than acquisition date)
 The system issues an error message and will not allow you to continue with this transaction until the error is resolved.                             ...
Click on this link to search all SAP messages.