Atlassian.net SDK custom fields null reference exception

Hi,

I am using Atlassian.net SDK (Bitbucket) and get errors (null reference excpetion for some issues which contain custom fields.
Does anybody know about this problem?

kind regards
Andreas

HI @AndreasHafellner ,

FYI, this framework is not supported by Atlassian.

Regards,
Dugald

what is the best I can use?