Error Stratus v3 in new WordPress 5.4

I have got the Stratus v3 theme in my website. I updated my WordPress to version 5.4, and now in WordPress Control Panel show me this text:

/hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 50 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 50 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 50 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 50 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 50 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 50 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 50 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 49 Notice: Undefined offset: 0 in /hermes/bosnacweb05/bosnacweb05al/b2989/ipg.synerbiscom/multisites.eliasbg.com/wp-content/themes/stratusx/lib/cleanup.php on line 50

I need help, please.

EliasBG

Hi,

Contact with your purchase item author hope they will helped!

Thanks!