# Initial processing error

**URL:** <https://community.pix4d.com/t/initial-processing-error/32710>\
**Category:** PIX4Dmapper Questions/Troubleshooting\
**Created:** [January 25, 2025, 7:10pm UTC](https://community.pix4d.com/t/initial-processing-error/32710 "2025-01-25T19:10:01Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![pakiina](https://avatars.discourse-cdn.com/v4/letter/p/45deac/32.png) [@pakiina](https://community.pix4d.com/u/pakiina)\
**Post date:** [January 25, 2025, 7:10pm UTC](https://community.pix4d.com/t/initial-processing-error/32710/1 "2025-01-25T19:10:01Z")

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Hi Pix4D Community,

I get this error message during the initial processing.  
Can anyone help me fix it.  
I am attaching a pic here.

 ![image](https://global.discourse-cdn.com/pix4d/original/2X/1/149472bd8e3ceb94855309484aa3f8fcd4cfd34a.png)

Thanks

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<div class="post-metadata">

**Author:** ![bamichael](https://avatars.discourse-cdn.com/v4/letter/b/ac8455/32.png) [@bamichael](https://community.pix4d.com/u/bamichael)\
**Post date:** [January 22, 2026, 7:08pm UTC](https://community.pix4d.com/t/initial-processing-error/32710/2 "2026-01-22T19:08:36Z")

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**Author:** ![Mike\_K](https://sea2.discourse-cdn.com/pix4d/user_avatar/community.pix4d.com/mike_k/32/4697_2.png) [@Mike\_K](https://community.pix4d.com/u/Mike_K)\
**Post date:** [January 26, 2026, 11:25pm UTC](https://community.pix4d.com/t/initial-processing-error/32710/3 "2026-01-26T23:25:26Z")

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Hello,

This error is typically caused by the use of Microsoft’s OneDrive. As OneDrive tries to sync the data, it blocks access to the drive and Mapper is not able to process. Try disabling OneDrive or use a drive where it does not sync. This should solve the problem.