It's only happened once for me. My copy of Snowpiercer (the movie) wouldn't play on my Sony BDP. At least, not the movie disc; the extras disc played without a problem. Tried a replacement copy, and the same thing happened. In both cases, the discs played fine on my laptop. When I got my LG...
Some players have better error-correction than others. There's been an issue with Warner DVDs from roughly 2006-2009 where they can't be read anymore. Some of mine won't play on my Sony player, but will play fine on both of my LG players.