Firebase error

I get this error and I have no clue on how I can fix it can any one help

 er; // Unhandled 'error' event

FirebaseError: Firebase: Error (auth/requests -from-this-ios-client-application-<empty>-are -blocked.).

at createErrorInternal (/home/container/n ode_modules/@firebase/auth/dist/node/totp-9fc fcaa9.js:534:55)

at_fail (/home/container/node_modules/@f irebase/auth/dist/node/totp-9fcfcaa9.js:505:3 1)

at /home/container/node_modules/@firebase /auth/dist/node/totp-9fcfcaa9.js:981:29

at step (/home/container/node_modules/tsl ib/tslib.js:195:27)

at Object.next (/home/container/node_modu

les/tslib/tslib.js:176:57) at fulfilled (/home/container/node_module

s/tslib/tslib.js:166:62) at process.processTicksAndRejections (nod

e:internal/process/task_queues:95:5)

Emitted 'error' event on Client instance at:

at emitUnhandledRejectionOrErr (node: even ts:402:10)

at process.processTicksAndRejections (nod

e:internal/process/task_queues:84:21) { code: 'auth/requests-from-this-ios-client-a pplication-<empty>-are-blocked.',

customData: {}

}