Multiple problems withs king composser

Hi

King composser dosn't works fine in my site. When i try to edit some page, it appears only very rare code and i can't see the plugin options, i can't add blocks, etc.. I tried the live composser but also works very bad. Multiple issues. I try to add a block but it doesn't show...

Please, i need help

Hi you may have updated WordPress to latest version 5.0 which have made the Gutenberg as feature of WordPress itself. But fortunately until 2021 we can use the old visual editor of WordPress. Please install this plugin and go to >> Settings >> Disable Gutenberg and disable gutenberg and everything will be fine. If you keep facing issue just send me your WordPress logins i will check that thanks. 

https://wordpress.org/plugins/disable-gutenberg/