Problem will also occur when I access orders / transaction via Sales > Orders.

Apart from this error, the site & admin are working fine.
Hope someone could point out what is wrong.
Regards,
Lee
Professional OpenCart extensions, support and custom work.
Contact me via email or Skype by support@thekrotek.com
Professional OpenCart extensions, support and custom work.
Contact me via email or Skype by support@thekrotek.com
UK OpenCart Hosting | OpenCart Audits | OpenCart Support - please email info@antropy.co.uk
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