This is what I see when I copy the error:
`
cb@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:12:450
p@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:13:214
ec@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:56:496
n@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:76:131
v@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:78:390
Cf/<@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:82:350
P@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:84:497
ph@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:100:364
eg@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:125:307
fg@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:126:168
wc@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:138:237
fa@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:137:115
ng@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:149:69
Se@https://example.com/wp-includes/js/dist/vendor/react-dom.min.js?ver=16.6.3:40:45
`
I don’t know if that helps.