some players do not read the blu ray disc produced with dvd architect, they say unsupported format, I record social events and record and edit videos on vegas and dvd architect
Which version of DVDA are you using? If it plays on some Bluray players and not others, then the disk is okay. It is a problem with the players. Tell us more about your DVDA project, how many chapters, source material, how you are creating the files for DVDA.