The new posttype products works fine on
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I need it in
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and other 60 blogs
I have copied:
/wp-content/themes/twentythirteen/inc/[login to view URL]
/wp-content/plugins/product-import
and added into: /wp-content/themes/twentythirteen/[login to view URL]
include_once('inc/[login to view URL]');
Not all works correct. The result you see in the attachment.
Your task is: Make the plugin installable.