SystemCheckError: System check identified some issues:

ERRORS:
operations.UserFavorite.user: (fields.E304) Reverse accessor for ‘UserFavorite.user’ clashes with reverse accessor for ‘UserMessage.user’.
HINT: Add or change a related_name argument to the definition for ‘UserFavorite.user’ or ‘UserMessage.user’.
operations.UserFavorite.user: (fields.E305) Reverse query name for ‘UserFavorite.user’ clashes with reverse query name for ‘UserMessage.user’.
HINT: Add or change a related_name argument to the definition for ‘UserFavorite.user’ or ‘UserMessage.user’.
operations.UserMessage.user: (fields.E304) Reverse accessor for ‘UserMessage.user’ clashes with reverse accessor for ‘UserFavorite.user’.
HINT: Add or change a related_name argument to the definition for ‘UserMessage.user’ or ‘UserFavorite.user’.
operations.UserMessage.user: (fields.E305) Reverse query name for ‘UserMessage.user’ clashes with reverse query name for ‘UserFavorite.user’.
HINT: Add or change a related_name argument to the definition for ‘UserMessage.user’ or ‘UserFavorite.user’.