Fixed: Radarr not loading with an invalid sort key.

src/NzbDrone.Core/Datastore/BasicRepository.cs

@@ -259,7 +259,7 @@ namespace NzbDrone.Core.Datastore
         protected virtual SortBuilder<TModel> GetPagedQuery(QueryBuilder<TModel> query, PagingSpec<TModel> pagingSpec)
         {
             return query.Where(pagingSpec.FilterExpression)
-                .OrderBy(pagingSpec.OrderByClause(), pagingSpec.ToSortDirection());
+                .OrderBy(pagingSpec.OrderByClause(x => x.Id), pagingSpec.ToSortDirection());
         }
 
         protected void ModelCreated(TModel model)

src/NzbDrone.Core/Datastore/Extensions/PagingSpecExtensions.cs

@@ -6,9 +6,21 @@ namespace NzbDrone.Core.Datastore.Extensions
 {
     public static class PagingSpecExtensions
     {
-        public static Expression<Func<TModel, object>> OrderByClause<TModel>(this PagingSpec<TModel> pagingSpec)
+        public static Expression<Func<TModel, object>> OrderByClause<TModel>(this PagingSpec<TModel> pagingSpec, Expression<Func<TModel, object>> defaultExpression = null)
         {
-            return CreateExpression<TModel>(pagingSpec.SortKey);
+            try
+            {
+                return CreateExpression<TModel>(pagingSpec.SortKey);
+            }
+            catch
+            {
+                if (defaultExpression == null)
+                {
+                    return x => x;
+                }
+                return defaultExpression;
+            }
+            
         }
 
         public static int PagingOffset<TModel>(this PagingSpec<TModel> pagingSpec)

src/NzbDrone.Core/Movies/MovieRepository.cs

@@ -161,7 +161,7 @@ namespace NzbDrone.Core.Movies
         {
             return Query.Where(pagingSpec.FilterExpression)
                              .AndWhere(m => m.MovieFileId == 0)
-                             .OrderBy(pagingSpec.OrderByClause(), pagingSpec.ToSortDirection())
+                             .OrderBy(pagingSpec.OrderByClause(x => x.SortTitle), pagingSpec.ToSortDirection())
                              .Skip(pagingSpec.PagingOffset())
                              .Take(pagingSpec.PageSize);
         }
@@ -179,7 +179,7 @@ namespace NzbDrone.Core.Movies
             return Query.Where(pagingSpec.FilterExpression)
                  .AndWhere(m => m.MovieFileId != 0)
                  .AndWhere(BuildQualityCutoffWhereClause(qualitiesBelowCutoff))
-                 .OrderBy(pagingSpec.OrderByClause(), pagingSpec.ToSortDirection())
+                 .OrderBy(pagingSpec.OrderByClause(x => x.SortTitle), pagingSpec.ToSortDirection())
                  .Skip(pagingSpec.PagingOffset())
                  .Take(pagingSpec.PageSize);
         }