Message type: E = Error
Message class:  FKK_ID - Message class for FI-CA country specific development 
Message number: 127
Message text: Enter the run 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_ID127: Enter the run date typically occurs in the context of the Contract Accounts Receivable and Payable (FI-CA) module when a user attempts to execute a function that requires a run date to be specified, but the date has not been provided.
Cause: The error is triggered when: A user tries to execute a program or transaction that requires a run date (e.g., for billing, payment processing, or other financial operations) but fails to input this date. The run date is a mandatory field in the transaction or program being executed, and it is either left blank or not properly populated.
Solution: To resolve the error, follow these steps: Identify the Transaction/Program: Determine which transaction or program you are trying to execute when you encounter the error. Enter the Run Date: Look for the field labeled "Run Date" or similar in the screen where the error occurs. Input a valid date in the required format
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
FKK_ID126 Records as confirmation only. No information to be processed by lot
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FKK_ID125 Do not enter a run date and a run ID
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FKK_ID128 Do not enter a run ID
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
FKK_ID129 Enter only single Run Date when Parameter-Combine DME is not checked
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.