Message type: E = Error
Message class:  HRGP0000 - Payroll for Global Employees 
Message number: 001
Message text: If you select 'No sending Per.', do not maintain any other fields
You have indicated that this receiving period has no sending period.
But, you have also entered information for this sending period.
An error message is output and you cannot save your entries.
Either maintain the field 'No sending period' or the period
information, not both.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message HRGP0000001 typically occurs in the context of the SAP Human Resources (HR) module, particularly when dealing with personnel actions or infotypes related to employee data. The message indicates that if you select the option "No sending Per." (which usually means that you do not want to send personnel data to a specific system or process), you should not maintain any other fields in the relevant infotype or screen.
Cause: The error arises when the user attempts to maintain additional fields in the infotype while having selected the "No sending Per." option. This is a validation check in SAP to ensure that the data integrity is maintained and that the system does not attempt to process or send incomplete or conflicting information.
Solution: To resolve this error, you should follow these steps: Review Your Selection: If you have selected "No sending Per.", ensure that you do not fill in any other fields
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