Problem command (play)

[lanceur2kefta]

Uncaught Error UnhandledPromiseRejection: This error originated either by throwing inside of an async function without a catch block, or by rejecting a promise which was not handled with .catch(). The promise rejected with the reason "cannot start stream without first joining voice channel".
    at getErrorWithoutStack (internal/process/promises:321:15)
    at generateUnhandledRejectionError (internal/process/promises:341:15)
    at processPromiseRejections (internal/process/promises:287:24)
    at processTicksAndRejections (internal/process/task_queues:96:32)
No debugger available, can not send 'variables'
Process exited with code 1