Sets the message every InsufficientBalanceError carries, in place of
the services' own, so a host's wording (what ran out, and where to buy more)
reaches its users through whatever error path they see: a room's "Conversation
paused" message, an SSE error event, a rejected promise. Pass null to go back
to the services' messages.
Sets the message every InsufficientBalanceError carries, in place of the services' own, so a host's wording (what ran out, and where to buy more) reaches its users through whatever error path they see: a room's "Conversation paused" message, an SSE error event, a rejected promise. Pass null to go back to the services' messages.