CRRZI0539E You must be connected to the remote system and have at least one filter defined to use the <HLQ> variable.
Explanation
Attention: The push-to-host (remote synchronization)
function is deprecated.
For some operations,
such as Enable Remote Synchronization, you can type the <HLQ> variable
in the high-level qualifier field of the user interface. Use of this
variable requires a connection to a remote system for the variable
to be correctly substituted.