[CLOSED] Memory points set in Rekordbox not displayed in Cdj 850

I have the following problem.

In Rekordbox I have set memory points (quantized) for all my tracks and exported them on my usb.

When I check the usb, in all the tracks the memory points are displayed. So far so good.

Then I load my usb in the cdj 850. Some of the tracks the memory points are not displayed.

When I eject my usb and connect it to Rekordbox, the same is on the usb, some tracks have no memory points any more.

All of those tracks without the memory points, I have set again from scratch. Did not solve the problem. Same again, when I load it to my cdj 850, memory points of those tracks have disappeared, (the same tracks again as before).

The tracks with the missing memory points are completely random. Some are mp3 and some are wav (even from Beatport).

I thought maybe it could be that the memory points are not set at the beginning of the track, but in some cases they are.

I use Rekordbox 2.2.4 and my cdj 850 is 1.1.2 / Windows 8.

I hope somebody can help me with this. I have Googled, but can not find any answer.

Thanks in advance.