PHP Fatal error: Uncaught Error: Call to undefined function import() in /home/seisense/journal.seisense.com/lib/pkp/classes/oai/OAI.inc.php:24

Hi,
Yesterday, Updated to OJS 3.3.0.4
Php: 7.4

Found the php fatal error in the following place: lib/pkp/classes/oai/error_log

[17-Mar-2021 23:06:05 Asia/Riyadh] PHP Fatal error:  Uncaught Error: Call to undefined function import() in /home/seisense/journal.seisense.com/lib/pkp/classes/oai/OAI.inc.php:24
Stack trace:
#0 {main}
  thrown in /home/seisense/journal.seisense.com/lib/pkp/classes/oai/OAI.inc.php on line 24

Does anyone have the idea? what is this, what caused this error?
Thanks

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