Problems editing or adding product categories and tags on single product page

Hi there,

I Use WooCommerce and various other associated plugins, however I recent;y have been unable to edit, view, or add categories or tags from the product screen.

Has anyone else seen this issue?
//Joel//

Enfold 3.0.2

WC Version: 2.2.8
WC Database Version: 2.2.8
WP Version: 4.0.1
WP Multisite Enabled: No
Web Server Info: Apache
PHP Version: 5.5.17
MySQL Version: 5.5.32
WP Active Plugins: 45
WP Memory Limit: 128 MB
WP Max Upload Size: 100 MB
PHP Post Max Size: 100 MB
PHP Time Limit: 120
PHP Max Input Vars: 2000
SUHOSIN Installed: No
SOAP Client: Your server has the SOAP Client class enabled.

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