Ex dog - you are right - the **** started with Hollandic and German CAA, but such could have solved easily.
The rest of the story how they got banned is one were reality is more stupid than fiction.
After the trouble Holland and Germany made, both Das and the Ugandan CAA had to give reason of the observed failures as well as the corrective measurements they would take.
In the multimedia/cyber-age we have come, the Europeans adressed a SNAILMAIL letter ( by ordinary post) to the PO box of Das and Ugandan CAA, but those had changed, so actually neither Das, neither the Ugandan CAA got the letter. No e-mail, SITA or fax were sent, neither a reminder.
Conclusion : Due to the unwillness of both Das and Ugandan CAA to reply on time to the EU, they just got blacklisted, really too stupid to be truth.
But how could the Ugandans reply to something they never received ?????? and so an active airline was condamned to hungerstrike which led to its final fate.