Cannot Activate Plugin

I’m not able to activate the HubSpot plugin. This is the message I’m getting:

Plugin could not be activated because it triggered a fatal error.

Fatal error: Can’t use function return value in write context in /home/kombuchaindy/public_html/wp-content/plugins/leadin/admin/class-leadinadmin.php on line 138

If I look on line 138 this is what I see…

} elseif ( ! empty( get_option( ‘leadin_portalId’ ) ) && isset( $_GET[‘page’] ) && ‘leadin’ === $_GET[‘page’] ) { // phpcs:ignore WordPress.Security.NonceVerification.Recommended