• When I go back and make an editing change to an old post, I get the following error message:

    Warning: in_array() [function.in-array]: Wrong datatype for second argument in /home/peoriapu/public_html/blogpeoria/wp-content/plugins/redirect-old-slugs.php on line 79

    Warning: Cannot modify header information – headers already sent by (output started at /home/peoriapu/public_html/blogpeoria/wp-content/plugins/redirect-old-slugs.php:79) in /home/peoriapu/public_html/blogpeoria/wp-includes/pluggable-functions.php on line 272

    When I check the post, the changes appear. So no harm, no foul. But this error message disturbs me. An idea what’s causing it, as I don’t want to do away with the “redirect old slugs” plugin.

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  • Have you tried to contact the plugin designer? They may have already noted the error and worked out a fix.

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