Add blank factor so that features are displayed properly.

misc-scripts/regulatory_regions/RegulatoryFeatureParser/enhancer.pm

@@ -60,6 +60,10 @@ sub parse {
     exit(1);
   }
 
+
+  # link to a blank factor so the SQL still works
+  my $blank_factor_id = $self->get_blank_factor_id($db_adaptor);
+
   # read file
 
   open (FILE, "<$file") || die "Can't open $file";
@@ -149,6 +153,11 @@ sub parse {
 
     $feature{EVIDENCE} = "";
 
+    # ----------------------------------------
+    # Factor - blank so that the SQL for retrieving still works
+
+    $feature{FACTOR_ID} = $blank_factor_id;
+
     # ----------------------------------------
     # Add to object to be returned