BP-370-elastic-search-not-updating

diff --git a/src/Buyacar/Forecourt/Sales/Index/Worker.php b/src/Buyacar/Forecourt/Sales/Index/Worker.php
index ca014ed..ba22f63 100644
--- a/src/Buyacar/Forecourt/Sales/Index/Worker.php
+++ b/src/Buyacar/Forecourt/Sales/Index/Worker.php
@@ -317,6 +317,10 @@ class Worker implements WorkerInterface {
     $mappings = array();
 
     foreach ($docs as $id => &$doc) {
+
+      // If CAPID is null, don't do anything.
+      if (!isset($doc['CAPID'])) continue;
+
       if ($doc['van_B']) {
         $type = 'van';
       }