Request error

Code	Error	Description
200	ERR_UNKNOWN	Unknown error
201	ERR_FORMAT	Incorrect document format
202	ERR_AUTHORIZATION	Authorization error
205	ERR_USER_DISABLE	User disabled
209	ERR_API_DISABLE	API disabled by user
210	ERR_IP_DENIED	IP address is not allowed to make requests
212	ERR_THROTTLE	Exceeding the allowed SMS sending rate