Message type: E = Error
Message class:  HRPIQ000_GB -  
Message number: 107
Message text: The Letter format & is not valid.
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 HRPIQ000_GB107 typically indicates that there is an issue with the letter format being used in the system. This error is often encountered in the context of HR (Human Resources) processes, particularly when generating letters or documents related to employee management.
Cause: Invalid Letter Format: The specified letter format may not exist in the system or may not be correctly configured. Missing Configuration: The letter format might not be set up properly in the system, or the necessary templates may be missing. Incorrect Parameters: The parameters or settings used to call the letter format may be incorrect or incomplete. Authorization Issues: The user may not have the necessary permissions to access the specified letter format.
Solution: Check Letter Format Configuration: Go to the transaction code SFP (Form Builder) or SMARTFORMS to verify if the letter format exists and is correctly configured. Ensure that the letter format is active and properly defined. Review the Parameters: Check the parameters being
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPIQ000_GB106 Deletion of admission for applicant &, Program of Study &, choice& failed
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPIQ000_GB105 No admission exists for applicant &, Program of Study & and choice no. &
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPIQ000_GB108 The plan version & is invalid
Self-Explanatory Message Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of...
HRPIQ000_GB109 The object & & & with the UCAS Code & already exists in the system
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.