RELATION_DOES_NOT_EXIST = "Selected relation does not exist."
MODEL_DOES_NOT_EXIST = "Selected {model} does not exist."
ITEM_DOES_NOT_EXIST = "The requested item or relation does not exist."
INVALID_ORDER_PROPERTY = "Selected property for ordering is invalid."
NO_ITEM_EXISTS = "No {model} exists."
ITEM_EXISTS = "{item} exists."
RELATION_EXISTS = "Relation exists."
VALIDATION_FAILED = "One or more of the required fields is incorrect."
SERIALIZATION_EXCEPTION = "Serialization exception."
NON_UNIQUE_PROPERTY = "Provided properties are not unique."
INVALID_PROPERTIES = "A property is invalid, missing or misspelled."
BAD_REQUEST = "Bad request."
REQUIRE_PROPERTY_MISSING = "A required property is missing."
UPDATE_FAILED = "There was an error updating your desired item."
DELETE_FAILED = "There was an error deleting the item."
