diff --git a/lib/Pear/LocalLoop/Controller/Api/Categories.pm b/lib/Pear/LocalLoop/Controller/Api/Categories.pm
index 0509581..653b2e6 100644
--- a/lib/Pear/LocalLoop/Controller/Api/Categories.pm
+++ b/lib/Pear/LocalLoop/Controller/Api/Categories.pm
@@ -3,15 +3,6 @@ use Mojo::Base 'Mojolicious::Controller';
 
 use List::Util qw/ max sum /;
 
-has error_messages => sub {
-  return {
-    type => {
-      required => { message => 'Type of Leaderboard Required', status => 400 },
-      in_resultset => { message => 'Unrecognised Leaderboard Type', status => 400 },
-    },
-  };
-};
-
 sub post_category_list {
   my $c = shift;
 
@@ -47,7 +38,7 @@ sub post_category_list {
     }
   );
 
-  for ( $transaction_rs->all ) {
+  for ( $month_transaction_rs->all ) {
     my $quantised = $c->db_datetime_parser->parse_datetime($_->get_column('quantised'));
     push @{ $data->{ days } }, ($c->format_iso_datetime( $quantised ) || 0);
     push @{ $data->{ category } }, ($_->get_column('category_id') || 0);
diff --git a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategorySQLite.pm b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategorySQLite.pm
index 0b68497..27e4ab7 100644
--- a/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategorySQLite.pm
+++ b/lib/Pear/LocalLoop/Schema/Result/ViewQuantisedTransactionCategorySQLite.pm
@@ -10,15 +10,15 @@ __PACKAGE__->table('view_quantised_transactions');
 __PACKAGE__->result_source_instance->is_virtual(1);
 
 __PACKAGE__->result_source_instance->view_definition( qq/
-SELECT "value",
-       "distance",
-       "purchase_time",
-       "buyer_id",
-       "seller_id",
+SELECT "transactions.value",
+       "transactions.distance",
+       "transactions.purchase_time",
+       "transactions.buyer_id",
+       "transactions.seller_id",
        "transaction_category.category_id",
-       DATETIME(STRFTIME('%Y-%m-%d %H:00:00',"purchase_time")) AS "quantised_hours",
-       DATETIME(STRFTIME('%Y-%m-%d 00:00:00',"purchase_time")) AS "quantised_days",
-       DATETIME(STRFTIME('%Y-%m-%d 00:00:00',"purchase_time", 'weekday 1')) AS "quantised_weeks"
+       DATETIME(STRFTIME('%Y-%m-%d %H:00:00',"transactions.purchase_time")) AS "quantised_hours",
+       DATETIME(STRFTIME('%Y-%m-%d 00:00:00',"transactions.purchase_time")) AS "quantised_days",
+       DATETIME(STRFTIME('%Y-%m-%d 00:00:00',"transactions.purchase_time", 'weekday 1')) AS "quantised_weeks"
   FROM "transactions"
 LEFT JOIN "transaction_category" ON "transactions.id" = "transaction_category.transaction_id"
 /);