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-rw-r--r--engine/lib/elgglib.php2
1 files changed, 1 insertions, 1 deletions
diff --git a/engine/lib/elgglib.php b/engine/lib/elgglib.php
index 0d1d291f0..1469067ca 100644
--- a/engine/lib/elgglib.php
+++ b/engine/lib/elgglib.php
@@ -424,7 +424,7 @@ function elgg_bootstrap_externals_data_structure($type) {
$CONFIG->externals = array();
}
- if (!$CONFIG->externals[$type] instanceof ElggPriorityList) {
+ if (!isset($CONFIG->externals[$type]) || !$CONFIG->externals[$type] instanceof ElggPriorityList) {
$CONFIG->externals[$type] = new ElggPriorityList();
}