Message type: E = Error
Message class:  FVDU - Loans Dunning via Open FI 
Message number: 019
Message text: > Error &1 &2: Payer/payee for posting not found
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 FVDU019 indicates that there is an issue with the payer or payee information during a posting process. Specifically, it means that the system could not find the required payer or payee for the transaction you are trying to process. This error typically occurs in the context of financial transactions, such as accounts receivable or accounts payable. Causes: Missing Master Data: The payer or payee master data may not be set up in the system. This could be due to the customer or vendor not being created in the system. Incorrect Configuration: The configuration settings for the payment processing may not be correctly set up, leading to the system being unable to identify the payer or payee. Data Inconsistencies: There may be inconsistencies in the data, such as incorrect account assignments or missing information in the transaction. Inactive Master Records: The payer or payee master record may be inactive or blocked, preventing
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FVDU018 >   Error &1 &2: Flow type not found
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FVDU017 >   Error &1 &2: Posting unsuccessful (see error log)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FVDU020 >   Error &1 &2: Daybook number cannot be determined (number range)
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FVDU021 >   Error &1 &2: General daybook no. cannot be determined (number range)
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.