compulsory DE accepting empty values through the API on 2.22 server

Hi devs,

We’re developing our app integrating the Android SDK and we’ve experimenting an strange behaviour when pushing empty values for DEs whose compulsory flag is enabled. The SDK is making a POST API call of the event and the empty values are accepted by the server. Is this the way API is intended to operate? is this a bug?

To ilustrate it better, here the mandatory flag configured as enabled for “KH_MAL_SRV - RDT”


and here the blank result for that DE…


BTW, server info is…

Build revision:
Build date:
2016-05-10 02:31

Thanks in advance.

Best regards