Pioneer BDR 203 & TDK medias

Hello, im new burning bluray, i have pioneer BDR203 bluray burner, i do blurays backup with anydvd and imgburn, i never had problems with traxdata disc (ritek) but now i bought TDK 25gb and 50gb DL, i have broken 10 and only have success with 2 disc. I dont know what happen but i dont wanna broke more bd´s.
What do you think about this, can you help me?

could you at least post a decent screenshots, something that you don’t have to read with magnifying glass

Sorry :rolleyes::rolleyes: