Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 099
Message text: No data type defined for APPLK "&1" and APPLTYP "&2"
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_ODN099 indicates that there is no data type defined for the application key (APPLK) and application type (APPLTYP) specified in the error message. This typically occurs in the context of SAP's Contract Accounts Receivable and Payable (FI-CA) module, which deals with financial transactions and data processing.
Cause: Missing Configuration: The most common cause of this error is that the necessary configuration for the specified application key and type has not been set up in the system. Custom Development: If there are custom developments or enhancements in the system, they may not have been properly configured to handle the specified application key and type. Data Inconsistency: There may be inconsistencies in the data or configuration that lead to the system not recognizing the application key/type.
Solution: Check Configuration: Go to the configuration settings for the FI-CA module and verify that the application key and type are correctly defined. Use transaction code SPRO to access the
 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_ODN098 Sub-ID determined with key "&1"
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_ODN097 Sub-ID determination deactivated for country &1 with schema &2 from &3
What causes this issue?  You have defined a metadata schema, but you have not assigned an attribute set to it. Sub-ID determination is deactivated.Sys...
FKK_ID_XX_ODN100 Inconsistent Customizing; check view V_TFK_ODNNRO_DET
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_ODN101 Field &2 is assigned to attribute set &1
What causes this issue?  If you have assigned fields to an attribute set, you cannot delete the attribute set.System Response  The system issues an er...
Click on this link to search all SAP messages.