The following error message appears on the browser console:

Error handling response: Error: Syntax error, unrecognized expression: .c-container /deep/ .c-container
at Function.se.error ()
at se.tokenize ()
at se.select ()
at Function.se [as find] ()
at S.fn.init.find ()
at new S.fn.init ()
...

After checking, it is found that the plug-in affects the global $. After deleting the plug-in in the browser (you need to confirm which plug-in it is), you can solve the error