Agptek Rocker Benji T-6 flac playback issue

[Holden]

Hello everyone.
I have a really stranve issue with my Benji T-6 player. I've had it for several months now and it's working fine, accept for one thing. Recently I put some new high-res flac files on my SD card, 24-bit 96KHZ files. I do have other files in this format, and even some up to 24-bit 192, and they all play fine, however these do not. When trying to play them, the player just sits there and doesn't do anything. The strange part is, that the files do appear to be able to play on the player's original firmware.
Does anyone have any ideas on how to solve this issue?
Thanks

[wodz]

Would you mind sharing one of problematic files?