Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 035
Message text: Use doc.class or doc.class(receiv/cdt memo) with rule or ext.official doc
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 FKK_ID_XX_ODN035 typically relates to issues in the area of contract accounts receivable and payable (FI-CA) when dealing with document classes in the context of external official documents or rules. This error indicates that there is a requirement to use a specific document class or a document class related to a receipt or credit memo in conjunction with a rule or an external official document.
Cause: Incorrect Document Class: The document class being used does not meet the requirements set by the system for the transaction you are trying to execute. Missing Configuration: The necessary configuration for the document class or the rules associated with it may not be set up correctly in the system. Incompatibility: The document class may not be compatible with the type of transaction or the external document you are trying to process.
Solution: Check Document Class: Verify that you are using the correct document class for the transaction.
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FKK_ID_XX_ODN034 Document class &1: Inconsistent settings for external numbering
What causes this issue?  The system has detected that external numbering is simultaneously switched on and off in Customizing for a document class. Th...
FKK_ID_XX_ODN033 Document class &1 not assigned to any document type and origin key
What causes this issue?  You have entered the document class and this is not assigned to any document type and origin key.System Response  Document cl...
FKK_ID_XX_ODN036 Company code &1 not assigned to country &2
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FKK_ID_XX_ODN037 Use document class or doc.class(receiv/cdt memo) with rule
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.