3415943 - Is it Possible to Revert the Period End Closure Date From Future Date to Current Date?

You have performed a day closure run and set the period closure date in the future, this caused negative balance on the time account.

Is it possible to revert the period closure date to current date? 

SAP Business ByDesign 

1. Go to Time Administration Work Center
2. Go to Regular Tasks View
3. Select "Run Day Closure for One Employee" link
4. select employee
5. Set Period Closure Date to current date
6. Error "Entered date DD.MM.YYYY must be after latest day closure date".

This is an expected system behavior. 

It is not possible to revert the period end closure to current date. The idea of period closure it to prevent possible frauds in terms of time recording, so once the date is set the time booking relevant to accounting is considered complete. However you can book times by not referencing any project, since it does not affect accounting

2350022 - Recording and Posting of Times Possible Althought Period is Closed

2710797 - Frequently Asked Questions on Period Closure 

negative balance on the time account, revert period end closure, run day closure, time administration, future date , KBA , SRD-HR-TLM , Time and Labour Management , Problem