I have changed to a Sandisk Extreme Pro 64GB, and my 60D appears Err 70 continuously during movie recording, I have to remove the battery and put it back. I didn't receive this issue when I use 32GB, but the speed of the cards should be the same. Any solution? Thanks Or is it a hardware issue.
ASSERT: !(m_fStarted == TRUE) && !(m_fSetParameter == FALSE) at SoundDevice\SoundDevice_CODEC.c:421, task MovieRecorder lv:1 mode:20
Magic Lantern version : Nightly.2015Jun25.60D111 Mercurial changeset : 349e775caa5e (unified) tip Built on 2015-06-24 22:15:24 UTC by firstname.lastname@example.org. Free Memory : 384K + 1721K