problem in activating include structure for VBAP

hi ,

i have to add 3 fields in an include structure of vbap table.

when i added and activated it ,it is showing 'partly active'.even the vbap table is becoming 'partly active'.

zvxxvbap_include1 is the include strcuture .it is present in vbap table .

plz tell me why it is showing as 'partly active'??

regards

pavan