ulka on "[Plugin: Microblog Poster] Internal Server error when I click on setting of microblog poster plugin"

I install Microblog poster plugin in my blog but when I click on setting of microblog poster plugin it shows Internal server error. and also when I add post and click on publish button it shows same error. If I deactivate or remove this plugin my blog works fine. Any help on this
Waiting for reply.
Thanks

https://wordpress.org/plugins/microblog-poster/