Not working

The plugin doesn’t seem to work for me. It doesn’t save the configurations, can’t even dismiss the welcome message for the plugin:

“Thanks for using this plugin, please leave feedback in the plugin page and if you want you can offer me a beer
Close message!”

It’s like it’s just refreshing the page.
Can you, please, fix it? Thanks a lot!

https://ww.wp.xz.cn/plugins/twitter-posts-to-blog/