diff --git a/YapDatabase/Extensions/AutoView/YapDatabaseAutoViewTransaction.m b/YapDatabase/Extensions/AutoView/YapDatabaseAutoViewTransaction.m
index ea0540c29..eef1ee905 100644
--- a/YapDatabase/Extensions/AutoView/YapDatabaseAutoViewTransaction.m
+++ b/YapDatabase/Extensions/AutoView/YapDatabaseAutoViewTransaction.m
@@ -555,10 +555,14 @@ - (void)insertRowid:(int64_t)rowid
 			[databaseTransaction getCollectionKey:&another
 			                               object:&anotherObject
 			                             forRowid:anotherRowid];
-			
-			return sortingBlock(databaseTransaction, group,
-			                      collectionKey.collection, collectionKey.key,        object,
-			                            another.collection,       another.key, anotherObject);
+            
+            if (object && anotherObject) {
+                return sortingBlock(databaseTransaction, group,
+                                    collectionKey.collection, collectionKey.key,        object,
+                                    another.collection,       another.key, anotherObject);
+            } else {
+                return NSOrderedAscending;
+            }
 		}
 		else if (sorting->blockType == YapDatabaseBlockTypeWithMetadata)
 		{
@@ -588,9 +592,13 @@ - (void)insertRowid:(int64_t)rowid
 			                             metadata:&anotherMetadata
 			                             forRowid:anotherRowid];
 			
-			return sortingBlock(databaseTransaction, group,
-			                      collectionKey.collection, collectionKey.key,        object,        metadata,
-			                            another.collection,       another.key, anotherObject, anotherMetadata);
+            if (object && anotherObject) {
+                return sortingBlock(databaseTransaction, group,
+                                    collectionKey.collection, collectionKey.key,        object,        metadata,
+                                    another.collection,       another.key, anotherObject, anotherMetadata);
+            } else {
+                return NSOrderedAscending;
+            }
 		}
 		
 	#pragma clang diagnostic pop
diff --git a/YapDatabase/Extensions/RTreeIndex/YapDatabaseRTreeIndexTransaction.m b/YapDatabase/Extensions/RTreeIndex/YapDatabaseRTreeIndexTransaction.m
index 0788ee462..d3998e550 100644
--- a/YapDatabase/Extensions/RTreeIndex/YapDatabaseRTreeIndexTransaction.m
+++ b/YapDatabase/Extensions/RTreeIndex/YapDatabaseRTreeIndexTransaction.m
@@ -1158,7 +1158,9 @@ - (BOOL)enumerateKeysAndObjectsMatchingQuery:(YapDatabaseQuery *)query
 		id object = nil;
 		[self->databaseTransaction getCollectionKey:&ck object:&object forRowid:rowid];
 
-		block(ck.collection, ck.key, object, stop);
+        if (ck && object) {
+            block(ck.collection, ck.key, object, stop);
+        }
 	}];
 
 	return result;
@@ -1178,7 +1180,9 @@ - (BOOL)enumerateRowsMatchingQuery:(YapDatabaseQuery *)query
 		id metadata = nil;
 		[self->databaseTransaction getCollectionKey:&ck object:&object metadata:&metadata forRowid:rowid];
 
-		block(ck.collection, ck.key, object, metadata, stop);
+        if (ck && object) {
+            block(ck.collection, ck.key, object, metadata, stop);
+        }
 	}];
 
 	return result;
diff --git a/YapDatabase/Extensions/SecondaryIndex/YapDatabaseSecondaryIndexTransaction.m b/YapDatabase/Extensions/SecondaryIndex/YapDatabaseSecondaryIndexTransaction.m
index 2c98215ab..8b8ea3c5e 100644
--- a/YapDatabase/Extensions/SecondaryIndex/YapDatabaseSecondaryIndexTransaction.m
+++ b/YapDatabase/Extensions/SecondaryIndex/YapDatabaseSecondaryIndexTransaction.m
@@ -1287,7 +1287,9 @@ - (BOOL)enumerateKeysAndObjectsMatchingQuery:(YapDatabaseQuery *)query
 		id object = nil;
 		[self->databaseTransaction getCollectionKey:&ck object:&object forRowid:rowid];
 		
-		block(ck.collection, ck.key, object, stop);
+        if (ck && object) {
+            block(ck.collection, ck.key, object, stop);
+        }
 	}];
 	
 	return result;
diff --git a/YapDatabase/Extensions/View/YapDatabaseViewTransaction.m b/YapDatabase/Extensions/View/YapDatabaseViewTransaction.m
index b7ab5de6c..33c41209e 100644
--- a/YapDatabase/Extensions/View/YapDatabaseViewTransaction.m
+++ b/YapDatabase/Extensions/View/YapDatabaseViewTransaction.m
@@ -1308,6 +1308,13 @@ - (void)insertRowid:(int64_t)rowid collectionKey:(YapCollectionKey *)collectionK
 		
 		NSString *pageKey = pageMetadata->pageKey;
 		YapDatabaseViewPage *page = [self pageForPageKey:pageKey];
+        
+        NSAssert(page != nil, @"Missing page in group(%@)", group);
+        
+        if (!page) {
+            YDBLogError(@"Missing page in group(%@)! Error inserting key(%@) collection(%@) in group(%@) at index(%lu) with page(%@) pageOffset(%lu)", group);
+            return;
+        }
 		
 		YDBLogVerbose(@"Inserting key(%@) collection(%@) in group(%@) at index(%lu) with page(%@) pageOffset(%lu)",
 		              collectionKey.key, collectionKey.collection, group,
diff --git a/YapDatabase/YapDatabaseTransaction.m b/YapDatabase/YapDatabaseTransaction.m
index db55f28f7..fb65edcf5 100644
--- a/YapDatabase/YapDatabaseTransaction.m
+++ b/YapDatabase/YapDatabaseTransaction.m
@@ -2634,7 +2634,9 @@ - (void)enumerateRowsForKeys:(NSArray *)keys
 					[connection->metadataCache setObject:[YapNull null] forKey:cacheKey];
 			}
 			
-			block(keyIndex, object, metadata, &stop);
+            if (object) {
+                block(keyIndex, object, metadata, &stop);
+            }
 			
 			[keyIndexDict removeObjectForKey:key];
 			
@@ -2963,7 +2965,9 @@ - (void)_enumerateKeysAndObjectsInCollection:(NSString *)collection
 				}
 			}
 			
-			block(rowid, key, object, &stop);
+            if (object) {
+                block(rowid, key, object, &stop);
+            }
 			
 			if (stop || mutation.isMutated) break;
 		}
@@ -3077,7 +3081,9 @@ - (void)_enumerateKeysAndObjectsInCollections:(NSArray *)collections
 					}
 				}
 				
-				block(rowid, collection, key, object, &stop);
+                if (object) {
+                    block(rowid, collection, key, object, &stop);
+                }
 				
 				if (stop || mutation.isMutated) break;
 			}
@@ -3193,7 +3199,9 @@ - (void)_enumerateKeysAndObjectsInAllCollectionsUsingBlock:
 				}
 			}
 			
-			block(rowid, collection, key, object, &stop);
+            if (object) {
+                block(rowid, collection, key, object, &stop);
+            }
 			
 			if (stop || mutation.isMutated) break;
 		}
@@ -3729,7 +3737,9 @@ - (void)_enumerateRowsInCollection:(NSString *)collection
 				}
 			}
 			
-			block(rowid, key, object, metadata, &stop);
+            if (object) {
+                block(rowid, key, object, metadata, &stop);
+            }
 			
 			if (stop || mutation.isMutated) break;
 		}
@@ -3882,7 +3892,9 @@ - (void)_enumerateRowsInCollections:(NSArray *)collections
 					}
 				}
 				
-				block(rowid, collection, key, object, metadata, &stop);
+                if (object) {
+                    block(rowid, collection, key, object, metadata, &stop);
+                }
 				
 				if (stop || mutation.isMutated) break;
 			}
@@ -4027,7 +4039,9 @@ - (void)_enumerateRowsInAllCollectionsUsingBlock:
 				}
 			}
 			
-			block(rowid, collection, key, object, metadata, &stop);
+            if (object) {
+                block(rowid, collection, key, object, metadata, &stop);
+            }
 			
 			if (stop || mutation.isMutated) break;
 		}