In reply to Marco Ciampini.

When clicking the typography button, it produces the editor has reached an unexpected error message. The error is:

TypeError: Cannot read properties of undefined (reading 'name')
at http://localhost/wp-content/plugins/gutenberg/build/components/index.min.js?ver=2df90a7fe22b3ba8216558e3946dbbce:17:68
at Le (http://localhost/wp-content/plugins/gutenberg/vendor/react-dom.min.edd8b7a6.js:100:3)
at yh (http://localhost/wp-content/plugins/gutenberg/vendor/react-dom.min.edd8b7a6.js:110:387)
at Pj (http://localhost/wp-content/plugins/gutenberg/vendor/react-dom.min.edd8b7a6.js:235:116)
at di (http://localhost/wp-content/plugins/gutenberg/vendor/react-dom.min.edd8b7a6.js:168:305)
at Nj (http://localhost/wp-content/plugins/gutenberg/vendor/react-dom.min.edd8b7a6.js:168:236)
at sc (http://localhost/wp-content/plugins/gutenberg/vendor/react-dom.min.edd8b7a6.js:168:96)
at gf (http://localhost/wp-content/plugins/gutenberg/vendor/react-dom.min.edd8b7a6.js:162:109)
at http://localhost/wp-content/plugins/gutenberg/vendor/react-dom.min.edd8b7a6.js:73:230
at unstable_runWithPriority (http://localhost/wp-content/plugins/gutenberg/vendor/react.min.755b0ae9.js:24:26)