SELECT trm_acu_id as Acu_id, trm_cycleno as Cycleno, trm_partner as Partner, Trm_ovumdonor as Ovumdonor, ; trm_semdonor as semdonor, trm_ovumcycle as Ovumcycle ; FROM t_Treatmen Tr ; WHERE ( EXISTS (SELECT Prn_acu_id AS Acu_id FROM t_prognotes T, t_progdets ; WHERE Prn_acu_id = Tr.Trm_acu_id AND prn_enc_cycle = tr.trm_cycleno AND Prd_Numvalue > 200 AND ; prd_mdsfk = 70105 AND prn_enc_id = prd_enc_id) OR ; EXISTS(SELECT Prn_acu_id AS Acu_id FROM t_prognotes T, t_progdets ; WHERE prn_acu_id = tr.trm_acu_id AND prn_enc_id = prd_enc_id AND prn_enc_cycle=SPACE(10) ; AND Prd_Numvalue > 200 AND prd_mdsfk = 70105 ))This command runs without any problem in VFP8. The error occurs regardless of SET ENGINEBEHAVIOR.