The block encountered an error

Hi. Was working fine until recently then gives this error in the block. Console says …

4content.js:11 Uncaught Error: Extension context invalidated.
at a (content.js:11:1155)
at content.js:11:1041
a @ content.js:11
(anonymous) @ content.js:11
setTimeout
r @ content.js:11
(anonymous) @ content.js:11
setTimeout
s @ content.js:11
react-dom.min.js?ver=18.3.1.1:121 TypeError: r is not iterable
at ke (index.js?ver=ded6018bc7f52733f0ec:1:14440)
at be (index.js?ver=ded6018bc7f52733f0ec:1:13486)
at Ne (index.js?ver=ded6018bc7f52733f0ec:1:14928)
at index.js?ver=ded6018bc7f52733f0ec:1:15640
at Id (react-dom.min.js?ver=18.3.1.1:165:137)
at Xb (react-dom.min.js?ver=18.3.1.1:200:284)
at Rk (react-dom.min.js?ver=18.3.1.1:198:114)
at xb (react-dom.min.js?ver=18.3.1.1:196:166)
at Li (react-dom.min.js?ver=18.3.1.1:189:373)
at db (react-dom.min.js?ver=18.3.1.1:79:182)