diff --git a/Civi/ContactCats/Processor.php b/Civi/ContactCats/Processor.php
index 416905c..7631db6 100644
--- a/Civi/ContactCats/Processor.php
+++ b/Civi/ContactCats/Processor.php
@@ -90,17 +90,26 @@ class Processor {
     \CRM_Core_Transaction::create()->run(function($tx) use (&$summary) {
       $this->resetTable();
       foreach ($this->categories as $cat) {
-        if ($cat['search_type'] === 'group') {
-          $this->assignCategoryFromGroup($cat);
+        try {
+          if ($cat['search_type'] === 'group') {
+            $this->assignCategoryFromGroup($cat);
+          }
+          elseif ($cat['search_type'] === 'search') {
+            $this->assignCategoryFromSearch($cat);
+          }
+          elseif ($cat['search_type'] === 'default') {
+            $this->assignDefaultCategory($cat);
+          }
+          else {
+            throw new CRM_Core_Exception("Invalid search_type: $cat[search_type] for category $cat[id]");
+          }
         }
-        elseif ($cat['search_type'] === 'search') {
-          $this->assignCategoryFromSearch($cat);
-        }
-        elseif ($cat['search_type'] === 'default') {
-          $this->assignDefaultCategory($cat);
-        }
-        else {
-          throw new CRM_Core_DAO("Invalid search_type: $cat[search_type] for category $cat[id]");
+        catch (\Exception $e) {
+          throw new CRM_Core_Exception(
+            "ContactCats failed to run category $cat[id] $cat[search_type] $cat[label]: " . $e->getMessage(),
+            0,
+            [],
+            $e);
         }
         // future...
       }
@@ -267,8 +276,6 @@ class Processor {
     $apiParams = $search['api_params'];
     if ($search['api_entity'] === 'Contact' && in_array('id', $apiParams['select'] ?? [])) {
       $contactIdKey = 'id';
-      // We only need the ID.
-      $apiParams['select'] = ['id'];
       if ($this->contact_id) {
         // Limit to one contact.
         $apiParams['where'][] = ['id', '=', $this->contact_id];