Unable to register namespace getting Error Details: rpc error: code = DeadlineExceeded desc = context deadline exceeded

temporaltest2-admintools-67758f4d6c-4bmtj:/etc/temporal$ tctl namespace list
Error: Error when list namespaces info
Error Details: rpc error: code = DeadlineExceeded desc = context deadline exceeded
(‘export TEMPORAL_CLI_SHOW_STACKS=1’ to see stack traces)
temporaltest2-admintools-67758f4d6c-4bmtj:/etc/temporal$ export TEMPORAL_CLI_SHOW_STACKS=1

temporaltest2-admintools-67758f4d6c-4bmtj:/etc/temporal$ tctl --namespace workflow namespace re
Error: Register namespace operation failed.
Error Details: rpc error: code = DeadlineExceeded desc = context deadline exceeded
Stack trace:
goroutine 1 [running]:
runtime/debug.Stack()
/usr/local/go/