Dear Molpro Developpers, I got this message with molpro2002.2 , why? 1PROGRAM * CI (Multireference internally contracted CI) Authors: H.-J. Werner, P.J. Knowles, 1987 ILLEGAL ADDRESS IN CORLSI: LT= 0 IBASE=21803416 LTOP= 29803316 MEMSTACK= 29803416 ERROR EXIT Francois Colonna