id|message
FIRSTNAME_INVALID|The first name is invalid
LASTNAME_INVALID|The last name is invalid
PHONE_NUMBER_INVALID|The phone number is invalid
PHONE_CODE_HASH_EMPTY|phone_code_hash is missing
PHONE_CODE_EMPTY|phone_code is missing
PHONE_CODE_EXPIRED|The confirmation code has expired
PHONE_CODE_INVALID|The confirmation code is invalid
API_ID_INVALID|The api_id/api_hash combination is invalid
PHONE_NUMBER_OCCUPIED|The phone number is already in use
PHONE_NUMBER_UNOCCUPIED|The phone number is not yet being used
USERS_TOO_FEW|Not enough users (to create a chat, for example)
USERS_TOO_MUCH|The maximum number of users has been exceeded (to create a chat, for example)
TYPE_CONSTRUCTOR_INVALID|The type constructor is invalid
FILE_PART_INVALID|The file part number is invalid
FILE_PARTS_INVALID|The number of file parts is invalid
FILE_PART_X_MISSING|Part {x} of the file is missing from storage
MD5_CHECKSUM_INVALID|The MD5 checksums do not match
PHOTO_INVALID_DIMENSIONS|The photo dimensions are invalid
FIELD_NAME_INVALID|The field with the name FIELD_NAME is invalid
FIELD_NAME_EMPTY|The field with the name FIELD_NAME is missing
MSG_WAIT_FAILED|A waiting call returned an error
PEER_ID_INVALID|The id/access_hash combination is invalid
MESSAGE_EMPTY|The message sent is empty
ENCRYPTED_MESSAGE_INVALID|The special binding message (bind_auth_key_inner) contains invalid data
INPUT_METHOD_INVALID|The method called is invalid
PASSWORD_HASH_INVALID|Two-step verification password is invalid
USERNAME_NOT_OCCUPIED|The username is not occupied by anyone
USERNAME_INVALID|The username is invalid
MESSAGE_ID_INVALID|The message id is invalid
MESSAGE_NOT_MODIFIED|The message was not modified