The README says "Can be almost completely sourced from LCSC (except for the VFDs of course) and partially assembled using JLCPCB assembly service."
It appears JLCPCB needs a Component Placement List (CPL) file in order to do this, refer https://jlcpcb.com/help/article/46-Pick-%26-Place-File-for-PCB-Assembly
Are you able to provide these files?
The README says "Can be almost completely sourced from LCSC (except for the VFDs of course) and partially assembled using JLCPCB assembly service." It appears JLCPCB needs a Component Placement List (CPL) file in order to do this, refer https://jlcpcb.com/help/article/46-Pick-%26-Place-File-for-PCB-Assembly Are you able to provide these files?