You want to have write access to the EmployeeTimeRecordingView BO, but the BO is not PSM released.
SAP Business ByDesign
Currently write access to EmployeeTimeRecordingView is not supported.
If you have any specific needs to achieve, raise it as a requirement in the SAP Influence forum in the link below:
EmployeeTimeRecordingView, PSM, Timesheet , KBA , SRD-HR-TLM , Time and Labour Management , Problem