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Points and Class ID size do not match

Trying to track down this error all day…Any suggestions? 

[Processing]: Merge DSM tiles

[Processing]: Substep Ortho dsm merge finished.

[Processing]: Substep Ortho dsm finished.

[Processing]: Substep Ortho dtm started.

[Error]: Error generating DTM: [GroupIdsClassifiedPointCloudProvider.cpp:24] Points and class id size do not match

[Processing]: Substep Ortho dtm finished.

[Processing]: Step2Done

Hi Conrad,

Could you upload the following to our OneDrive

▸ The quality report (.pdf format): …\project_name\1_initial\report\project_name_report.pdf
▸ The project log file (text file): …\project_name\project_name.log
▸ The project file (.p4d): …\project_name.p4d

We will look into this issue.