hi, i used the last guide for wb titles with multiple pgc. at the finish of the scenarist and when starting the dvd layout at 50% of the output i get this messages: Error (The duration is too short (3 frame(s))) Error dvd_mux : Open Mux_list File Error Error Terminated Multiplexing (test2.scn-pgc4 VTS_01_1 - 0xE0 - 72_1_t.vob). Error Wrong timecode. Error Multiplex is failed. Error Multiplexer failed (pgc4 VTS_01_1 - 0xE0 - 72_1) Info Finished Multiplex - 1 error(s), 0 warning(s) this is shown at pgc4 any advice demetris