Could you provide your repository export xml to test with? In Guvnor Administration section go to the Import Export section and export your repository, then provide the generated zip.
I ran into similar issue - please rebuild your package(s) in Guvnor. After package is rebuilt it will have compatible structure with latest library versions, there were some new fields added in some of the objects if I debug it correctly. If I recall correctly it was done in 5.3 of drools-core...