Concrete mixer with wrong output 4 vs 6

Describe the issue
The concrete mixer should have 6 concrete slabs as output - but on the conveyor belt only 4 are visible - and in the storage it counts +4

Expected behavior
I expect to get 6 concrete slabs instead of only 4

To Reproduce
Steps to reproduce the behavior:

1. Load attached save '...'
2. Navigate to the east of the map where the three concrete mixers are...and watch production/conveyor belt and storage count
3. Strange thing happens '...'

Additional context

• Game version: 0.4.1.d [e.g. 0.2.1a, see main menu]

Attachments
If applicable, add save files (zipped) , screenshots, or log files to help explain the issue. You can find them in your Documents (%userprofile%\Documents\Captain Of Industry\). If your issue is severe, like crashes or rednering glitches, also unclude Unity logs from %USERPROFILE%\AppData\LocalLow\Mafi Games\Captain of Industry\. You might need to ZIP the attached files.
save_22-06-05_13-37-23beton4-6.save

Files not imported: save_22-06-05_13-37-23beton4-6.save

I´m sorry. It´s no mistake. I had the "show /60" option enabled - and that confused me.