Slow motion problem wit A7s ii

[J.Hanhinen]

Hi.

For some reason my Sony A7S ii won't shoot slow motion (100fps). I have set up file format to XAVC S HD and record settings to 100p 100M. My camera is in PAL mode. Can someone tell me am I doing something wrong?

[DanStanleyFreeman]

I have the same problem and can't find any help in forums etc