COBCH2354 Non-unique data items are not compatible with JAVA-SHAREABLE

Items within a JAVA-SHAREABLE block are not all unique.

Items within a JAVA-SHAREABLE block must be unique, and so one of the declarations must be changed.

       program-id. "demo".
       ...
       working-storage section.
       >>JAVA-SHAREABLE ON 
          01 i1 pic 9(5) comp-5 value 88888889. *> not unique
          03 i1 pic x(10).                      *> one i1 ref must change
       >>JAVA-SHAREABLE OFF
          01 p1 pic 9(5) comp-5 value 22222229. *> permitted as outside
          01 p1 pic x(10).                      *> of shareable block
       ...