Strange error code exit. Processing failed (4294967295)

Attempting to process a very small part of a mapping job, 327 images into an orthophoto, but it failed after 5h 45m. Options as below, and below that the error details.
96GB RAM, so no shortage of available memory

Any help appreciated!

Processing Node: node-odm-1 (manual)

Options: dem-resolution: 2.0, dsm: true, feature-quality: ultra, ignore-gsd: true, orthophoto-resolution: 2.0, pc-quality: ultra

[INFO] Running dense reconstruction. This might take a while.
[INFO] Estimating depthmaps
[INFO] running C:\WebODM\resources\app\apps\ODM\SuperBuild\install\bin\OpenMVS\DensifyPointCloud “C:\WebODM\resources\app\apps\NodeODM\data\3faeeede-f8fe-4bc3-961e-26e4e1363fe8\opensfm\undistorted\openmvs\scene.mvs” --resolution-level 1 --min-resolution 2736 --max-resolution 5472 --max-threads 16 --number-views-fuse 2 -w “C:\WebODM\resources\app\apps\NodeODM\data\3faeeede-f8fe-4bc3-961e-26e4e1363fe8\opensfm\undistorted\openmvs\depthmaps” -v 0 --geometric-iters 0
===== Dumping Info for Geeks (developers need this to fix bugs) =====
Child returned 3221226505
Traceback (most recent call last):
File “C:\WebODM\resources\app\apps\ODM\stages\odm_app.py”, line 89, in execute
self.first_stage.run()
File “C:\WebODM\resources\app\apps\ODM\opendm\types.py”, line 340, in run
self.next_stage.run(outputs)
File “C:\WebODM\resources\app\apps\ODM\opendm\types.py”, line 340, in run
self.next_stage.run(outputs)
File “C:\WebODM\resources\app\apps\ODM\opendm\types.py”, line 340, in run
self.next_stage.run(outputs)
[Previous line repeated 1 more time]
File “C:\WebODM\resources\app\apps\ODM\opendm\types.py”, line 321, in run
self.process(self.args, outputs)
File “C:\WebODM\resources\app\apps\ODM\stages\openmvs.py”, line 79, in process
system.run(’%s “%s” %s’ % (context.omvs_densify_path,
File “C:\WebODM\resources\app\apps\ODM\opendm\system.py”, line 106, in run
raise SubprocessException(“Child returned {}”.format(retcode), retcode)
opendm.system.SubprocessException: Child returned 3221226505

===== Done, human-readable information to follow… =====

[ERROR] The program exited with a strange error code. Please report it at https://community.opendronemap.org

When I finish there will probably be over 20000 images in this job, which I wont have to process into the final ortho, but I’m attempting to do some quality control on each flight plan area as I go to ensure I have good coverage. Large variations in ground elevation across the 1400ha area I have to cover, which makes planning fairly complex.

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Re-try without --ignore-gsd. This option will almost always get you into trouble. There are very few times when it is actually needed, IMO.

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Thanks, I’ll give it a try.
Is that a specific response to this particular error, or just in general, as I’ve previously used it a number of times without problems?

It can precipitate this and other errors, so both. Whether it bites you or not is really hard to predict.

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