[Koha] Software error

[glernil evangelista]

After upgrading our Koha installation from 3.6 to 3.8, an error occurred
(as shown below) upon logging in. Any idea how to fix this?

Software error:

Cannot determine local time zone

 For help, please send mail to the webmaster ([no address given]), giving
this error message and the time and date of the error.


-- 
Glernil B. Evangelista
Faculty
St. Bridget College - College Department
M.H. Del Pilar St., Batangas City
Batangas, Philippines 4200