Unable to make New Post

Have you tried editing one of your old posts? Does that work?

I tried to edit old post, it working normal, also tried to add/categories, that also working normal. but problem noticed only with new post, while clicking on new post link getting above mentioned error.

thanks

i have installed wordpress and everything looks good however How does a user create a new post? I not sure how this works?

https://codex.www.ads-software.com/Writing_Posts

This page is full of great links for general starter and how-to info if you are new to it all.

https://codex.www.ads-software.com/Getting_Started_with_WordPress#WordPress_for_Beginners