ID 238331 - Export error with certain files: 'utf8' codec can't decode byte 0xa1 in position 225: invalid start byte

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Problem summary
Export error from Nuke Studio and Hiero with certain files using any transcode preset:
'utf8' codec can't decode byte 0xa1 in position 225: invalid start byte
 
Customer reported version
nuke.10.0v4
 
Customer reported platform
windows7
 
Steps to reproduce
1. Open NukeStudio
2. Import footage provided by customer
3. Export using Apple ProRes 422 MOV preset
- or Log10 Cineon DPX preset
- or Transcode Sgits DPX preset
Result: Export error message
Error starting transcode
'utf8' codec can't decode byte 0xa1 in position 225: invalid start byte
When testing in Nuke the footage renders fine
Couldn't get NukeStudio to keep nuke script either on export
 
Workaround
If the files in question were recorded using the Odyssey 7Q, then the problem is caused by invalid characters in a metadata string. These can be removed as follows:
  1. Save and close the NukeStudio project.

  2. Open the .hrox file in a text editor, for example Sublime Text.

  3. Find and delete any invalid characters. To do this, look for lines that could look similar to this:

    <StringValue default="1" value="Odyssey  �z���:�|�¾��?�����O����������������.�����{۞��O�
    }���&lt;�7���������������׫Ǭc��z��K~�̋�ϻ�����ܽ�ߏ맯�㟃��G���֜����Zj}�=��j���x��]�ﷻ��#xdf96;��1�ϋ�9�^-����������o�:�^�^���6-���+��������ܜ���ǯ�o�����mk�ڪ{~����������?c����r�����^����μ����ۿ����&amp;K�?�����y7����r��_�߹b�U7f���nڞL����^�������5
    ��/���ɧ�������S�����ߜ�}&amp;ۿ���7��v�ߡ��.^��ۭO�o�#��w���>����������6y��;&amp;������[�^�ۃ�ߏ����뿺������ζd������oO��c�{�~O�o�a�����Ϋ��C-��O$�^����v�������������盫R" name="foundry.source.reelID"/>

    And change it so it only reads:

    <StringValue default="1" value="Odyssey" name="foundry.source.reelID"/>

  4. Reopen the project file. You should now be able to work with the footage without encountering errors.

 
Reproduced by support
reproduced on:
OSX 10.11.3 NukeStudio 10.0v4, 9.0v8, 9.0v1, Hiero 1.9v1
Windows 8 NukeStudio 10.0v2
 
Expected behaviour
Export to occur without error
 
Actual behaviour
Error on export

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