Complex sentence: Leipzig University and Professor Annette Beck-Sickinger tried to explain away the incident by offering a qualified apology making matters even worse and suggesting that discrimination is not being taken seriously in Germany.
Split into simpler sentences: Leipzig University and Professor Annette Beck-Sickinger tried to explain away the incident by offering a qualified apology. The absence of an unreserved apology for the discriminatory action led to suggestions that discrimination is not being taken seriously in Germany.