Installation Problem in relase 3.0.2

I am Installing the Open journal System but when i configure the OJS ! after clicking the Install journal button
Capture|690x346 the page give the following message.
I have used your new release also but same problem So many videos also watched but no any response please help in this topic its very urgent please.!

Hi @Sameer

A “500” error indicates a fatal error, and to resolve it you will need to look in your web server error log and see what the error is.