- Patch #191282 by quicksketch: inconsistent database region for disabled blocks.

modules/block/block.install

@@ -52,7 +52,7 @@ function block_schema() {
         'type' => 'varchar',
         'length' => 64,
         'not null' => TRUE,
-        'default' => 'left',
+        'default' => '',
         'description' => t('Theme region within which the block is set.'),
       ),
       'custom' => array(

modules/system/system.install

@@ -4524,6 +4524,15 @@ function system_update_6036() {
   return $ret;
 }
 
+/**
+ * Create consistent empty region for disabled blocks.
+ */
+function system_update_6037() {
+  $ret = array();
+  $ret[] = update_sql("UPDATE {blocks} SET region = '' WHERE status = 0");
+  return $ret;
+}
+
 /**
  * @} End of "defgroup updates-5.x-to-6.x"
  * The next series of updates should start at 7000.