Got this "Uh oh" error while trying to edit something (headers, content, etc …)
Details helpful to Themeco support can be found in the browser’s developer tools console.
WordPress 5.6.3-alpha-50405
Console info while editing a header:
TypeError: Cannot read property 'indexOf' of null react-dom.min.js?ver=16.13.1:125
at app.24d37c4.js:6
at Array.find (<anonymous>)
at app.24d37c4.js:6
at Array.reduce (<anonymous>)
at app.24d37c4.js:6
at r (lodash.min.js?ver=4.17.19:88)
at app.24d37c4.js:6
at be (app.24d37c4.js:6)
at kr.render (app.24d37c4.js:42)
at Ie (react-dom.min.js?ver=16.13.1:104)
Me @ react-dom.min.js?ver=16.13.1:125
Jh.c.payload @ react-dom.min.js?ver=16.13.1:138
Qb @ react-dom.min.js?ver=16.13.1:66
rh @ react-dom.min.js?ver=16.13.1:99
zj @ react-dom.min.js?ver=16.13.1:228
Th @ react-dom.min.js?ver=16.13.1:152
tj @ react-dom.min.js?ver=16.13.1:152
Te @ react-dom.min.js?ver=16.13.1:146
(anonymous) @ react-dom.min.js?ver=16.13.1:61
unstable_runWithPriority @ react.min.js?ver=16.13.1:25
Da @ react-dom.min.js?ver=16.13.1:60
Pg @ react-dom.min.js?ver=16.13.1:61
ha @ react-dom.min.js?ver=16.13.1:60
Dj @ react-dom.min.js?ver=16.13.1:163
unstable_runWithPriority @ react.min.js?ver=16.13.1:25
Da @ react-dom.min.js?ver=16.13.1:60
xb @ react-dom.min.js?ver=16.13.1:162
(anonymous) @ react-dom.min.js?ver=16.13.1:162
U @ react.min.js?ver=16.13.1:16
B.port1.onmessage @ react.min.js?ver=16.13.1:24
TypeError: Cannot read property 'indexOf' of null app.24d37c4.js:8
at app.24d37c4.js:6
at Array.find (<anonymous>)
at app.24d37c4.js:6
at Array.reduce (<anonymous>)
at app.24d37c4.js:6
at r (lodash.min.js?ver=4.17.19:88)
at app.24d37c4.js:6
at be (app.24d37c4.js:6)
at kr.render (app.24d37c4.js:42)
at Ie (react-dom.min.js?ver=16.13.1:104) {componentStack: "↵ in kr↵ in E↵ in div↵ in div↵ in L…n c↵ in b↵ in s↵ in X↵ in D↵ in ri"}
logError @ app.24d37c4.js:8
componentDidCatch @ app.24d37c4.js:8
Jh.f.componentDidCatch.c.callback @ react-dom.min.js?ver=16.13.1:139
Wg @ react-dom.min.js?ver=16.13.1:67
oj @ react-dom.min.js?ver=16.13.1:127
Aj @ react-dom.min.js?ver=16.13.1:160
unstable_runWithPriority @ react.min.js?ver=16.13.1:25
Da @ react-dom.min.js?ver=16.13.1:60
ab @ react-dom.min.js?ver=16.13.1:154
Te @ react-dom.min.js?ver=16.13.1:146
(anonymous) @ react-dom.min.js?ver=16.13.1:61
unstable_runWithPriority @ react.min.js?ver=16.13.1:25
Da @ react-dom.min.js?ver=16.13.1:60
Pg @ react-dom.min.js?ver=16.13.1:61
ha @ react-dom.min.js?ver=16.13.1:60
Dj @ react-dom.min.js?ver=16.13.1:163
unstable_runWithPriority @ react.min.js?ver=16.13.1:25
Da @ react-dom.min.js?ver=16.13.1:60
xb @ react-dom.min.js?ver=16.13.1:162
(anonymous) @ react-dom.min.js?ver=16.13.1:162
U @ react.min.js?ver=16.13.1:16
B.port1.onmessage @ react.min.js?ver=16.13.1:24
TypeError: Cannot read property 'indexOf' of null react-dom.min.js?ver=16.13.1:125
at app.24d37c4.js:6
at Array.find (<anonymous>)
at app.24d37c4.js:6
at Array.reduce (<anonymous>)
at app.24d37c4.js:6
at r (lodash.min.js?ver=4.17.19:88)
at n (app.24d37c4.js:6)
at t (app.24d37c4.js:6)
at Array.map (<anonymous>)
at t (app.24d37c4.js:6)
Me @ react-dom.min.js?ver=16.13.1:125
Jh.c.payload @ react-dom.min.js?ver=16.13.1:138
Qb @ react-dom.min.js?ver=16.13.1:66
rh @ react-dom.min.js?ver=16.13.1:101
zj @ react-dom.min.js?ver=16.13.1:228
Th @ react-dom.min.js?ver=16.13.1:152
tj @ react-dom.min.js?ver=16.13.1:152
Te @ react-dom.min.js?ver=16.13.1:146
(anonymous) @ react-dom.min.js?ver=16.13.1:61
unstable_runWithPriority @ react.min.js?ver=16.13.1:25
Da @ react-dom.min.js?ver=16.13.1:60
Pg @ react-dom.min.js?ver=16.13.1:61
ha @ react-dom.min.js?ver=16.13.1:60
Dj @ react-dom.min.js?ver=16.13.1:163
unstable_runWithPriority @ react.min.js?ver=16.13.1:25
Da @ react-dom.min.js?ver=16.13.1:60
xb @ react-dom.min.js?ver=16.13.1:162
(anonymous) @ react-dom.min.js?ver=16.13.1:162
U @ react.min.js?ver=16.13.1:16
B.port1.onmessage @ react.min.js?ver=16.13.1:24
TypeError: Cannot read property 'indexOf' of null app.24d37c4.js:8
at app.24d37c4.js:6
at Array.find (<anonymous>)
at app.24d37c4.js:6
at Array.reduce (<anonymous>)
at app.24d37c4.js:6
at r (lodash.min.js?ver=4.17.19:88)
at n (app.24d37c4.js:6)
at t (app.24d37c4.js:6)
at Array.map (<anonymous>)
at t (app.24d37c4.js:6) {componentStack: "↵ in Sa↵ in Pa↵ in Unknown↵ in u↵ i…n c↵ in b↵ in s↵ in X↵ in D↵ in ri"}