Register namespace failure

using command ’ tctl --ns namespace n re’ to register namespace return fail

Error: Register namespace operation failed.
Error Details: rpc error: code = InvalidArgument desc = Invalid cluster name: active
Stack trace:
goroutine 1 [running]:
runtime/debug.Stack()
        /usr/local/go/src/runtime/debug/stack.go:24 +0x64
runtime/debug.PrintStack()
        /usr/local/go/src/runtime/debug/stack.go:16 +0x1c
github.com/temporalio/tctl/cli_curr.printError({0x103eb85f7, 0x24}, {0x104608920, 0x140000c0c78})

Can someone suggest how to resolve this issue?

Hi @wanghaotime

this is the first time I see this error, but I think you are missing the active cluster name?

Let me know if it helps,
Antonio