I was working on my website application. PHPMyAdmin is working just fine until I restarted my computer. When I tried accessing PHPMyAdmin, I got this error:

I didn’t do anything weird before that. I just worked with my codes. I don’t know what to do. My codes still work in the browser and it seems like the data are still there. But I can’t access PHPMyAdmin.
This can be solve by clear the cookie . To know how to clear cookie check this
Clearing cache and cookies link . you can also use the Web Developer tools for google chrome and for firefox webdeveloper to see and clear cookie