goneis

var (
	ErrMissingValues   = errors.New("required values are missing")
	ErrInvalidKey      = errors.New("key is invalid")
	ErrServiceNotFound = errors.New("cannot find requested service")
	ErrInvalidLVType   = errors.New("location value type is invalid")
	ErrTooManyData     = errors.New("too many data request(no more than 1000)")
	ErrTooManyRequest  = errors.New("too many request")
	ErrServerError     = errors.New("server error occurred")
	ErrDBConnection    = errors.New("database connection error occurred")
	ErrSQLQuery        = errors.New("sql query error occurred")
	ErrKeyRestricted   = errors.New("key is restricted by administrator")
	ErrMissingData     = errors.New("cannot find data")
)