So if you updated your website plugins and after website break, in that case you will need to disable that problamatic plugin via cpanel of filezilla.
Step 1) Login into your cpanel and from search File manager and click on file manager
Step 2) Now you can see all the files and folders. Double click on Wp-content folder
Step 3) Now double click on plugins folder
Step 4) No you can see all the plugin installed on your website. You can identify from the name of folder.
Rename the problamatic plugin which broke the website.
Result : The renamed plugin will be disabled.
Now you have 2 options, wait for the next update for the plugin or write the plugin developer about the issue.
Below is the video instructions for this tutorial.