//log the execution of script
CRM_Core_Error::debug_log_message('ContributionProcessor.php');
-$lock = Civi::service('lockManager')->acquire('worker.contribute.CiviContributeProcessor');
+$lock = Civi::lockManager()->acquire('worker.contribute.CiviContributeProcessor');
if ($lock->isAcquired()) {
// try to unset any time limits