Use the `%B` conversion to escape binary strings data

May I ask how to solve this problem?

EXCEPTION: (PhutilProxyException) Task "18337484" encountered a permanent failure and was cancelled. {>} (PhabricatorWorkerPermanentFailureException) Failed to update search index for document "PHID-FILE-illrjnemipp3a3enjkif": Attempting to construct a query using a non-utf8 string when utf8 is expected. Use the `%B` conversion to escape binary strings data. at [<phabricator>/src/applications/search/worker/PhabricatorSearchWorker.php:63]
Daemon 372986 STDE [Wed, 07 Apr 2021 15:02:10 +0800] arcanist(head=stable, ref.master=222800a86ed0, ref.stable=9dfa68d739ee), phabricator(head=stable, ref.master=2951694c2737, ref.stable=b45047f95283), phutil(head=stable, ref.master=4206849bb05b, ref.stable=5a1a8323ee80)

Your install is almost 3 years old. You should upgrade.