activating problem in woodmart theme

when ever i active the woodmart theme wordpress get crashed and i cant go to the wordpress dashboard anymore until i delete the theme. what is the problem? it shows " gadgetbay.ml is currently unable to handle this request.
HTTP ERROR 500"

The error message “HTTP ERROR 500” has been discussed on this forum, many, many, many times already, despite it even being covered quite extensively in the knowledge base. Please search the available support resources first next time, as many questions have already been answered there.

https://infinityfree.net/support/http-error-500/