ANALYZER-KeyFrameGroupTooLong (Key Frame Group Warning)
Open GOP found!
The distance between I-frames with sequence headers exceeds the allowed length.
This error usually accompanies the following errors:
Regenerate a new MPEG2 file ensuring your encoder is set to I-frame only and every key-frame contains a sequence header. Run the new file through an Assisted QC Tool using one of the pre-defined Netflix MPEG2 profiles.