halo, when should I set this variable: export MBK_CATAL_NAME? Is it to be set for every design/work done? For example, i'm working with datapath entities, should it be set as: export MBK_CATAL_NAME=CATAL or export MBK_CATAL_NAME=FPGEN and whats the difference between the two. GIIE --------------------------------- Do You Yahoo!? Send FREE video emails in Yahoo! Mail.