Can not update muffin builder 3 using envato toolkit

hi,
when i'm trying to update betheme to version 10, i'm constantly having this problem:

"Warning: function_exists() expects parameter 1 to be string, array given in /home/trdiyetlif/public_html/wp-admin/includes/class-pclzip.php on line 1770"

could you please help me
Thank you

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