Warning: Illegal string offset

  • Hi

    I recently installed the ‘Who’s Logged In’ plugin but I get the following message displayed on the top of the screen.

    “Warning: Illegal string offset ‘wli_auto_kick_inactive_users’ in …../New_WordPress/wp-content/plugins/whos-logged-in/whos-logged-in.php on line 202

    I’ve disabled the plugin until a solution is found.

    The system information is as follows:-

    WP Version: 5.4.2
    WP Memory Limit: 256 MB
    WP Debug Mode: No
    WP Cron: Yes
    Language: en_GB
    PHP Version: 7.3.20
    MySQL Version: 5.7.28
    Plugin Version: 1.3

    How do I solve this problem?

    Many thanks

    Doug

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