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WooCommerce Error: Unable to insert download log entry in database

This is a common error we see with WooCommerce. At this time, we are not sure what is causing this, but it's related to your database.

Your database table called wp_wc_download_log  contains 2 foreign keys and you need to remove one.

One is called:
wp_woocommerce_downloadable_product_permissions (which is the correct key you need).


The other one is similar with the same name but with a prefix. Something like:
wp_54_woocommerce_downloadable_product_permissions

You need to delete this key.


For more info about this issue, refer to the official thread here:

https://wordpress.org/support/topic/unable-to-insert-download-log-entry-in-database/