Strict standards error: only variables should be passed by reference

  • I am getting the following error message on certain pages of a WordPress site I’m working on:

    Strict Standards: Only variables should be passed by reference in /opt/bitnami/apache2/htdocs/wp-content/plugins/xf_integration/include/xf_replacement_comment_handler.php on line 287

    What would cause this to display?

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