Metashape Standard 1.8.0 build 13794
Aligned, done some mild Gradual Selection, ran Optimise Cameras, then created a mesh from Tie Points (i guess this is 'Sparse Point Cloud' renamed??)... Mesh looks normal.
Then, running Reduce Overlap set to 9 gives the Error: empty geometry.
2022-01-06 00:50:33 Reducing overlap...
2022-01-06 00:50:33 Building params...
2022-01-06 00:50:33 ROI: [-123.287, -95.6844, -12.6808] - [138.38, 146.938, 5.44214]
2022-01-06 00:50:33 n voxels g: 292 -> 250
2022-01-06 00:50:33 n voxels n: 292 -> 292
2022-01-06 00:50:33 voxels in meter g: 0.955414
2022-01-06 00:50:33 voxels in meter n: 1.11592
2022-01-06 00:50:33 restricted distance in voxels g: 15
2022-01-06 00:50:33 capture distance in voxels g: 1
2022-01-06 00:50:33 margin g: 3
2022-01-06 00:50:33 restricted distance in voxels n: 17
2022-01-06 00:50:33 capture distance in voxels n: 1
2022-01-06 00:50:33 margin n: 3
2022-01-06 00:50:33 filling geometry...
2022-01-06 00:50:33 fillGeometryInfo : fill
2022-01-06 00:50:33 fillGeometryInfo : no voxels found
2022-01-06 00:50:33 filling geometry...
2022-01-06 00:50:33 fillGeometryInfo : fill
2022-01-06 00:50:33 fillGeometryInfo : no voxels found
2022-01-06 00:50:33 Finished processing in 0.019 sec (exit code 0)
2022-01-06 00:50:33 Error: empty geometry
This workflow i've done dozens of times before on 1.7.n
Thanks.