accessing SQL db in RPG

So about a month ago I downloaded Scott Klement's RPG code for accessing our SQL database in an RPG program. I knew I had a short period of time to work on it so I had removed the query part of the MSSQLTEST program just to see if I could get a connection. It was the first time any of the developers in my company had tried this and they ask me to see if I could get a connection. I got pulled on another project and now today I am back to it. I ran it this morning and it was ok, then I added the query part back into the program and recompiled it. Now I am getting the NoClassDefFoundError:. Any idea what I am doing wrong, I haven't altered the code other that removing the query part at the end of the mssqltest program. Could I be getting the error because it was defined from running this morning and now I am trying to define it again? Thanks


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