Message type: E = Error
Message class:  FKK_ID_XX_ODN - ODN message 
Message number: 075
Message text: Valid-from date must be earlier than valid-to date
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_ODN075 indicates that there is an issue with the validity dates in a contract or a similar document in the SAP system. Specifically, the error states that the "valid-from date must be earlier than the valid-to date." This means that the system has detected that the start date of a validity period is not set correctly in relation to the end date.
Cause: Incorrect Date Entry: The valid-from date has been entered as the same as or later than the valid-to date. Data Migration Issues: If data has been migrated from another system, there may be inconsistencies in the date formats or values. Manual Entry Errors: Users may have mistakenly entered the dates in the wrong order or format.
Solution: To resolve this error, you should: Check the Dates: Review the valid-from and valid-to dates in the document or contract where the error occurred. Ensure that the valid-from date is indeed earlier than
 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_ODN074 Valid-to date must be later than system date
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_ODN073 An entry already exists for the same validity period
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_ODN076 Enter a valid number range object
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_ODN077 Number range assignment missing for document class &1, business place &2
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.