wp-admin is inaccessible due to some improper page redirection

admin

Administrator
Staff member
One of my client's wordpress based website is having issue that it's admin panel is inaccessible. There is some page redirection issue, I can't figure out the cause. I tried to fix the issue by renaming "plugins" folder but not worked for me.

Can someone please guide me to fix this issue?

Here is sceenshot

<img src=" " alt="wp-admin issue">