The texture exported to stager doesnt work

Since the last update, everytime i export a model directly to subtance stager to take photos, the model doesnt export the roughness channel, you can see in the first photo how the model dont have any roughnes map, looks like plasticine, the second one has the same materials and the rouighness look way different, works perfectle and was exported with older version, this ruin all my workflow since the update, someone else has the same problem??