On Wed, 30 Aug 2017 10:35:56 +0200 Hans Hagen <pragma@wxs.nl>  wrote:
On 8/30/2017 9:22 AM, Christoph Reller wrote:
> The following MWE now yields an error:
>
> \setuptagging[state=start]
> \starttext
> \bTABLE
> \setupTABLE[c][1][align=lohi]
>    \bTR \bTD test \eTD \eTR
> \eTABLE
> \stoptext
>
> I'm afraid but this may be a bug. Many thanks in advance for all your
> effort.
fixed in next beta ... but move your \setupTABLE ine line up
Thank you, Hans, for the fix and for the hint!