Error Code: 

M2V-OpenGOP

Error Message: 

Frame: 149 GroupOfPicture: 10 closed_gop = 0 broken_link = 0 

Definition:

The MPEG2 file is not I-Frame only, but is instead composed of open Groups of Pictures (GOP). The error message provides the frame number of an I-Frame along with the size of the GOP that follows.

This error usually accompanies the following errors:

ANALYZER-KeyFrameGroupTooLong 

ANALYZER-IncorrectGopStructure

Solution:

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. 

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