This happens after the updates on March 23, my MetaMask on firefox cannot be opened at all. I tried to debug and this is the code i got:
Uncaught (in promise) Error: An unexpected error occurred undefined
Uncaught (in promise) Error: An unexpected error occurred undefined
SES_UNHANDLED_REJECTION: (Error#1) [sentry-install.js:1:693]
Error#1: An unexpected error occurred [sentry-install.js:1:693
[sentry-install.js:1:693]
SES_UNHANDLED_REJECTION: (Error#2) [sentry-install.js:1:693]
Error#2: An unexpected error occurred [sentry-install.js:1:693]
[sentry-install.js:1:693]