ARRAY failure in a special thread

[ssimop]

An ARRAY declared in init2 :

ARRAY(int)+ STWc.create(2)

is used in a dialog :

case WM_TIMER
if STWc[0]

However it aborts with the message
Error (RT) in MyStopWDialog: array is not created

Could you please advise?

Thanks in advance, Simos