CDC Users upgrading from 5.0.1 to 5.3
Steps needed to be followed when upgrading CDC solutions from
V5.0.1 to V5.3

1. Export solution from Studio v5.0.1 to a .prd file
Solution -> Project -> Export

2. Import the .prd file to Studio v5.1.0.XX
Solution -> import

3. Within Studio v5.3.1,From Studio "Tools -> Import Old Solution" browse to the v5.1.0.XX directory "<StudioRoot>\workspace\projects\<solutionName >" and run import.