This happens if you have a table object, saved with a post-GDPR CU (Like NAV2018 CU6), imported that object into a pre-GDPR NAV and then
With CU5 of NAV21018 comes some of the new GDPR features. This requires an updated license.
The long awaited GDPR whitepaper from Microsoft on Dynamics NAV support is here: Download from here Direct download link to PDF As I just blogged
Yesterday Microsoft released a new batch of Cumulative updates for all supported versions (2015-2018) of Microsoft Dynamics NAV. As part of this CU, the support