Message type: E = Error
Message class:  IDFISK -  
Message number: 054
Message text: Reference invoice number &1 does not exist for supplier &2
You entered a customer invoice that does not exist in the system.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Enter a valid customer number.
You can customize the type of this message in the <LS>Manage Your
Solution</> app, under <LS>Configure Your Solution -> Finance ->
Localization -> General Settings -> Change Message Control</>.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message IDFISK054 indicates that the reference invoice number you are trying to use does not exist for the specified supplier. This error typically occurs in the context of invoice verification or processing in the SAP system.
Cause: Incorrect Invoice Number: The invoice number you are entering may be incorrect or mistyped. Non-Existent Invoice: The invoice you are referencing may not have been created or posted in the system. Supplier Mismatch: The invoice number may exist, but it is associated with a different supplier than the one you are referencing. Data Deletion: The invoice might have been deleted or archived, making it unavailable for reference. Authorization Issues: You may not have the necessary permissions to view or access the invoice.
Solution: Verify Invoice Number: Double-check the invoice number for any typographical errors. Ensure that you are using the correct format. Check Supplier Information: Confirm that the supplier number you are using matches the supplier associated with the
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
IDFISK053 Supplier document number &1 contains more than 32 characters
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
IDFISK052 Reference invoice number &1 contains more than 32 characters
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
IDFISK055 Reference invoice number &1 does not exist for customer &2
What causes this issue?  You entered a supplier invoice that does not exist in the system.System Response  The system issues an error message and will...
IDFISK056 Supplier document number &1 already exists for supplier &2
What causes this issue?  You entered a supplier document number that has already been assigned to another document. In a given fiscal year, a supplier...
Click on this link to search all SAP messages.