fixes

backend/models/index.js

@@ -85,8 +85,8 @@ Season.hasMany(Match, { foreignKey: 'seasonId', as: 'matches' });
 Match.belongsTo(Location, { foreignKey: 'locationId', as: 'location' });
 Location.hasMany(Match, { foreignKey: 'locationId', as: 'matches' });
 
-User.belongsToMany(Club, { through: UserClub, foreignKey: 'userId', otherKey: 'clubId' });
-Club.belongsToMany(User, { through: UserClub, foreignKey: 'clubId', otherKey: 'userId' });
+User.belongsToMany(Club, { through: UserClub, foreignKey: 'userId' });
+Club.belongsToMany(User, { through: UserClub, foreignKey: 'clubId' });
 
 export {
     User,

backend/services/clubService.js

@@ -104,7 +104,6 @@ class ClubService {
             include: [
                 {
                     model: User,
-                    as: 'userClub',
                 }
             ]
         });