Run a Script against Ledger - http2 exception

Hi Guys
I am trying to Run a Script against a Ledger initialsed on damlHub, this script will run some pending processes( exercise choices on contracts) every time I execute it every now and then, however following the explanation os docs.daml I was not able to run it sucessfullyn as I am not dealing with localhost ledger, this is the CMD I run :

daml script --dar .dev/target/nameledger-0.0.1.dar --script-name Scripts.Bootstrap.Demo:demoUpdateEvent --ledger-host --ledger-port 443

This is the error I get

`Exception in thread "main" io.grpc.StatusRuntimeException: INTERNAL: http2 exception`
`	at io.grpc.Status.asRuntimeException(`
`	at io.grpc.stub.ClientCalls$UnaryStreamToFuture.onClose(`
`	at io.grpc.internal.DelayedClientCall$DelayedListener$`
`	at io.grpc.internal.DelayedClientCall$DelayedListener.delayOrExecute(`
`	at io.grpc.internal.DelayedClientCall$DelayedListener.onClose(`
`	at io.grpc.internal.ClientCallImpl.closeObserver(`
`	at io.grpc.internal.ClientCallImpl.access$300(`
`	at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInternal(`
`	at io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1StreamClosed.runInContext(`
`	at`
`	at`
`	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(`
`	at java.base/java.util.concurrent.ThreadPoolExecutor$`
`	at java.base/`
`Caused by: io.netty.handler.codec.http2.Http2Exception: First received frame was not SETTINGS. Hex dump for first 5 bytes: 1503010002`
`	at io.netty.handler.codec.http2.Http2Exception.connectionError(`
`	at io.netty.handler.codec.http2.Http2ConnectionHandler$PrefaceDecoder.verifyFirstFrameIsSettings(`
`	at io.netty.handler.codec.http2.Http2ConnectionHandler$PrefaceDecoder.decode(`
`	at io.netty.handler.codec.http2.Http2ConnectionHandler.decode(`
`	at io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(`
`	at io.netty.handler.codec.ByteToMessageDecoder.callDecode(`
`	at io.netty.handler.codec.ByteToMessageDecoder.channelRead(`
`	at`
`	at`
`	at`
`	at$HeadContext.channelRead(`
`	at`
`	at`
`	at`
`	at$`
`	at`
`	at`
`	at`
`	at`
`	at io.netty.util.concurrent.SingleThreadEventExecutor$`
`	at io.netty.util.internal.ThreadExecutorMap$`
`	at`
`	... 1 more`

Hello Francisco,

Looking into this now. So far I can tell you that this 503 response is not sent by the LB/Proxy and is being sent from the ledger backend. Will continue to investigate.

Looking at your command we don’t see a token being sent with the request. While the log message doesn’t exactly say you are unauthenticated. I don’t see a token in you command.

If you have a moment please open a ticket with our support team so we can track the issue.