Fix build errors

BusinessLayer/Services/EventService/IEventService.cs

@@ -23,8 +23,8 @@ namespace BusinessLayer.Services.EventService
         /// <param name="filter">The filter criteria for retrieving events.</param>
         /// <param name="limit">The maximum number of events to retrieve.</param>
         /// <param name="offset">The number of events to skip before starting the retrieval.</param>
-        /// <returns>A list of <see cref="EventDTO"/> objects matching the filter criteria.</returns>
-        Task<List<EventDTO>> GetEventsAsync(EventFilter filter, EventOrdering order = EventOrdering.DateAscending, int limit = 0, int offset = 0);
+        /// <returns>A list of <see cref="EventInfoDTO"/> objects matching the filter criteria.</returns>
+        Task<List<EventInfoDTO>> GetEventsAsync(EventFilter filter, EventOrdering order = EventOrdering.DateAscending, int limit = 0, int offset = 0);
 
         /// <summary>
         /// Creates a new event and assigns the creator as a participant.