Error while editing Single Post and Category Page

I started off my site with the cloud template – Today News pro.
I tried importing a different template for one particular category. It did not work out properly and so I deleted it after installing and went back to the original design.

However, When I go to edit single Page I get an error:
Error at rows: 5(models) : 2(dom). The model does not match the content Current state has involved an issue. You could try an UNDO operation (CTRL+Z / CTRL+SHIFT+Z)

And on Category Page I get the error:
Errors at columns elements: 3(models) : 4(dom). The model does not match the content Current state has involved an issue. You could try an UNDO operation (CTRL+Z / CTRL+SHIFT+Z)

I also saw the original templates missing on the Theme panel. I tried reinstalling but that did not work.

I deactivated all plugins but that again did not help.

SIte urL: https://news36.network

Please help!

Thanks.

Thank – Issue resolved with uninstall/reinstall og Tagdiv Composer.