In case of an error on the server the error is reported to the clients through an error command.

<subscription id> error <error code> <error text>

• The subscription id is the id of the node on which the subscription was originally made and to which this error applies.
• The error code is an integer representing the error that happened. Error codes are TBD.
• The error text is a textual representation of the error which can be directly presented to a user.