Now test:
*SELECT(%PRODSET%,"ID",PRODUCT_ALLOC,"GROUP = '$COMBOBOX$'")
*FOR %PROD% = %PRODSET%
*XDIM_MEMBERSET PRODUCT_ALLOC = %PROD%_NODE
*NEXT
To ensure that you have correct %PROD%_NODE members!
Now test:
*SELECT(%PRODSET%,"ID",PRODUCT_ALLOC,"GROUP = '$COMBOBOX$'")
*FOR %PROD% = %PRODSET%
*XDIM_MEMBERSET PRODUCT_ALLOC = %PROD%_NODE
*NEXT
To ensure that you have correct %PROD%_NODE members!