Forum .LRN Q&A: Problem in the istallazione of the last version of dot.lrn

My name iss Maurizio, I am one student university,
i had installed dotlrn, in order to try it and it appeals to me to the idea base and the community open source, hour I have made the modernization with the last version of dotLRN, but this gives to me of the problems, first vision seems to work all, but if I go to insert a new customer or only try to modify a customer, they give an error to me, exist also of query of modernization for the DB for a different versions?

thanks