help me , Unsuccessful CORS request

[Danielrr11]

Cross-origin request blocked: The same origin policy does not allow reading remote resources at http://localhost:8080/socket.io/?EIO=4&transport=polling&t=OMeBjUh. (Reason: Unsuccessful CORS request.) Status code: (null).

does not start a session from another computer to the installation computer: 3000

[alternativa2216]

Estou com o mesmo problema, já atualizei o que eu podia mais não consigo sair desse erro

[Danielrr11]

ya lo resolví

BACKEND_URL=http://colocar ip FRONTEND_URL=https://colocar ipt:3000

y en la bd lo deje así

DB_HOST= localhost

y en el frontend

REACT_APP_BACKEND_URL = http:// colocar ip:8080

[alternativa2216]

infelizmente no meu não funcionou

[Danielrr11]

cuando ingrese no colocar http://localhost:3000

colocar http://IP:3000

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This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[alternativa2216]

mesmo assim não funcionou, acabei tendo o mesmo erro

[codsec]

Msm coisa cmg

[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.