I am facing an issue when I am updating my posts.
“Updating Failed. Invalid JSON body passed.”
Tried changing permalink and deactivating different plugins, but the problem is still there.
Problem Screenshot: https://imgur.com/a/8xDjE4C
WordPress Version: 5.5.1
Theme: Newspaper V 10.3.6.1
Using Ultimate Blocks Plugin with Gutenberg, tried deactivating the plugin, but it did not work.
Anyone please provide urgent solution.