issue serializing JSON data

Alfred S. schrieb:
> Hi, I have a problem serializing JSON data, sometimes instead of the
> 'real' sensor data in the output data appears 'null'.
> What could be the reason?

Anything involved between source an drain of data, of course.

Stupid question.

Alfred S. schrieb:
> sometimes instead of the 'real' sensor data in the output data appears
> 'null'.
> What could be the reason?

I can't spot an obvious cause. Possibly you run out of memory on the 
stack?

KR, Sebastian