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-rw-r--r--apps/user_ldap/lib/Migration/Version1190Date20230706134108.php4
1 files changed, 4 insertions, 0 deletions
diff --git a/apps/user_ldap/lib/Migration/Version1190Date20230706134108.php b/apps/user_ldap/lib/Migration/Version1190Date20230706134108.php
index 4e3e44a5f21..e0740514d75 100644
--- a/apps/user_ldap/lib/Migration/Version1190Date20230706134108.php
+++ b/apps/user_ldap/lib/Migration/Version1190Date20230706134108.php
@@ -99,6 +99,10 @@ class Version1190Date20230706134108 extends SimpleMigrationStep {
$result = $query->executeQuery();
while ($row = $result->fetch()) {
$knownUsers = unserialize($row['owncloudusers']);
+ if (!is_array($knownUsers)) {
+ /* Unserialize failed or data was incorrect in database, ignore */
+ continue;
+ }
$knownUsers = array_unique($knownUsers);
foreach ($knownUsers as $knownUser) {
try {