But if you’ve gotten yourself a SGEN L V2 base configuration.h file, then there will be loads of other configuration options that will target this motherboard and are wrong for the GEN L V2 board, won’t there? Try MKS-GEN-L-V2-Marlin-Firmware-for-Ender-3/config at master · MasterPuffin/MKS-GEN-L-V2-Marlin-Firmware-for-Ender-3 · GitHub if it’s making problems.