.github/workflows/ci.yml

@@ -4,8 +4,13 @@ on:
   push:
   pull_request:
   workflow_dispatch:
+  # Every Wednesday at 1:20pm UTC
+  schedule:
+    - cron: '20 13 * * 3'
 
 jobs:
   ci:
     name: CI
+    # Only run cron on the silverstripe account
+    if: (github.event_name == 'schedule' && github.repository_owner == 'silverstripe') || (github.event_name != 'schedule')
     uses: silverstripe/gha-ci/.github/workflows/ci.yml@v1

.github/workflows/dispatch-ci.yml

@@ -1,16 +0,0 @@
-name: Dispatch CI
-
-on:
-  # At 1:20 PM UTC, only on Wednesday and Thursday
-  schedule:
-    - cron: '20 13 * * 3,4'
-
-jobs:
-  dispatch-ci:
-    name: Dispatch CI
-    # Only run cron on the silverstripe account
-    if: (github.event_name == 'schedule' && github.repository_owner == 'silverstripe') || (github.event_name != 'schedule')
-    runs-on: ubuntu-latest
-    steps:
-      - name: Dispatch CI
-        uses: silverstripe/gha-dispatch-ci@v1

src/Checks/SolrIndexCheck.php

@@ -43,7 +43,7 @@ class SolrIndexCheck implements EnvironmentCheck
         if (!empty($brokenCores)) {
             return [
                 EnvironmentCheck::ERROR,
-                'The following indexes are unavailable: ' . implode(', ', $brokenCores)
+                'The following indexes are unavailable: ' . implode($brokenCores ?? '', ', ')
             ];
         }