Could it be that they are used to landing in LCY where they try to touchdown as near the start as possible and something went wrong here and combined with the uphill slope it aggravated the situation?
It does look like the aircraft is struggling to maintain an acceptable glidepath and needs all the pitch it can get, but then again the embraers seem to have a high pitch angle even during 'normal' approaches. There is an unlimited list of potential causes for them ending up low and we may be able to learn something from it.