# Warning w9020: GDAL error \<4\>

**URL:** <https://community.pix4d.com/t/warning-w9020-gdal-error-4/6963>\
**Category:** PIX4Dmapper Questions/Troubleshooting\
**Created:** [July 30, 2018, 11:05am UTC](https://community.pix4d.com/t/warning-w9020-gdal-error-4/6963 "2018-07-30T11:05:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![satria\_bajabiru](https://avatars.discourse-cdn.com/v4/letter/s/f08c70/32.png) [@satria\_bajabiru](https://community.pix4d.com/u/satria_bajabiru)\
**Post date:** [July 30, 2018, 11:05am UTC](https://community.pix4d.com/t/warning-w9020-gdal-error-4/6963/1 "2018-07-30T11:05:00Z")

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Warning w9020: GDAL Error \<4\> Unable to create jpeg file C:/Users/asus/Documents/pix4d/coba1/1\_initial/project\_data/thumbnails/DJI\_0166\_512.jpg.

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<div class="post-metadata">

**Author:** ![Blaz](https://sea2.discourse-cdn.com/pix4d/user_avatar/community.pix4d.com/blaz/32/4344_2.png) [@Blaz](https://community.pix4d.com/u/Blaz)\
**Post date:** [July 31, 2018, 7:07am UTC](https://community.pix4d.com/t/warning-w9020-gdal-error-4/6963/2 "2018-07-31T07:07:52Z")

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Hi Satria,

In our experience, this&nbsp;warning often does not result in any error in the processing. Are the output files generated correctly? In this case, this error can be safely ignored.

Best,