Message type: E = Error
Message class:  HRPSGB_HER - HR PS GB Higher Education Messages (USS, HESA etc) 
Message number: 140
Message text: You cannot create a record before go live date &1 at &2
The system is configured with a go live date for HESA of V1.
You are trying to create records for this infotype after go live date.
This record is maintained by the HESA Individual Staff Return program.
Only data previous to the go live date can be maintained manually,
because it is necessary to enter the data previous to the first year
that is returned from this system.
You cannot create records after go live date.
Check your data.
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 HRPSGB_HER140 indicates that you are trying to create a record in the system before the specified go-live date. This is a common restriction in SAP systems to ensure that data is only entered after the system has officially gone live.
Cause: The error occurs when: You attempt to create or modify a record (such as a personnel record, payroll data, etc.) in the SAP system before the defined go-live date. The system has been configured to prevent any data entry or changes prior to this date to maintain data integrity and compliance with business processes.
Solution: To resolve this error, you can consider the following options: Check the Go-Live Date: Verify the go-live date set in the system. You can do this by checking the configuration settings in the relevant module (e.g., HR, Payroll). Adjust the Date: If you have the necessary authorization and it is appropriate for your business process, you may consider
 Get instant SAP help. Sign up for our Free Essentials Plan.
Get instant SAP help. Sign up for our Free Essentials Plan. 
HRPSGB_HER139 Fields 'Joint HEI/NHS' and &1 &2 &3 &4 can't be filled at the same time
What causes this issue?  Fields 'Joint HEI/NHS' and &V1& or &V2& or &V3& or &V4& can not have value at the s...
HRPSGB_HER138 Field 'Activity Code' or "Cost centre' contains a default value for &3
What causes this issue?  At least one of the fields 'Activity Code' (&V1&) and 'Cost centre'( &V2&) contains a def...
HRPSGB_HER141 'Previous employment' &1 and 'Previous HEI' &2 are inconsistent for &3
What causes this issue?  Default code 'XXXX' must be used  for field 'Previous HEI' when field 'Previous employment ' ha...
HRPSGB_HER142 'Acad. discipline' &1 and 'Highest qualif.' &2 are inconsistent for &3
What causes this issue?  Default code 'XXXX' must be used in field 'Academic discipline'  when field 'Highest qualification h...
Click on this link to search all SAP messages.