Unexpected Application Error!

Minified React error #426; visit https://reactjs.org/docs/error-decoder.html?invariant=426 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.

Error: Minified React error #426; visit https://reactjs.org/docs/error-decoder.html?invariant=426 for the full message or use the non-minified dev environment for full errors and additional helpful warnings.
    at Tx (http://localhost:9999/assets/index-BDOtnev6.js:41:38626)
    at ic (http://localhost:9999/assets/index-BDOtnev6.js:41:39528)
    at Fh (http://localhost:9999/assets/index-BDOtnev6.js:41:35875)
    at Tg (http://localhost:9999/assets/index-BDOtnev6.js:41:36678)
    at hi (http://localhost:9999/assets/index-BDOtnev6.js:39:3274)
    at Mb (http://localhost:9999/assets/index-BDOtnev6.js:41:41221)
    at _i (http://localhost:9999/assets/index-BDOtnev6.js:41:40215)
    at _x (http://localhost:9999/assets/index-BDOtnev6.js:41:35675)
    at _ (http://localhost:9999/assets/index-BDOtnev6.js:26:1565)
    at MessagePort.D (http://localhost:9999/assets/index-BDOtnev6.js:26:1933)