>hey ,
>I put the foll piece of code behind :
>SET CLASSLIB TO MSM ADDI
>oClass = CreateObject("MSM")
>oClass.localdatasource="G:\...\c_d.dbc"
>oClass.sync()
>
>Now i get the foll error.
>
>class definition msm not found..
>
>i have the class definition in main.prg
>
>DEFINE CLASS msm as Session OLEPUBLIC

You should then do

set procedure to main.prg additive