>>I can use SET CLASSLIB XYZ IN MYPROJ.APP. Next I can use RELEASE CLASSLIB XYZ >IN MYPROJ.APP. But, when I move MYPROJ.APP to another directory, command >RELEASE CLASSLIB XYZ IN
>\MYPROJ.APP fires error message "Class library file XYZ is not found".
>
>Does RELEASE CLASSLIB ALIAS xyz work?
>

Bingo ! You are right. Thanks.