When I click on the auto upgrade button, I get this error:
Fatal error: Call to undefined function update_core() in /home/xxxxx/public_html/lemon/wordpress/wp-admin/includes/class-wp-upgrader.php on line 895
I haven’t had any trouble auto upgrading plugins as recently as today. Any help would be appreciated.
One added piece of info is that I get the following error when auto upgrading:
Unpacking the update…
Incompatible Archive.: PCLZIP_ERR_BAD_FORMAT (-10) : Unable to find End of Central Dir Record signature
It seems I get one error or the other.
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