Ошибка при компиляции прошивки

Первый раз сталкиваюсь с такой ошибкой:

Error: Unknown environment names 'BOARD_MKS_GEN_L'. Valid names are 'STM32F103RC_btt_maple, STM32F103RC_btt, STM32F070CB_malyan, LERDGEX_usb_flash_drive, STM32F103RE_maple, BIGTREE_SKR_2, mks_robin, REMRAM_V1, STM32F103RC_meeb, NUCLEO_F767ZI, esp32, FYSETC_F6, flsun_hispeedv1, mks_robin_mini, FLYF407ZG, STM32F103VE, STM32F103ZE, mks_robin_pro2, LERDGES_usb_flash_drive, LERDGEK, FYSETC_CHEETAH_V20, sanguino1284p_optimized, sanguino1284p, mks_robin_lite3, DUE_USB, FYSETC_S6, mingda_mpx_arm_mini, BIGTREE_E3_RRF, sanguino644p, mks_robin_nano_v3_usb_flash_drive, teensy35, jgaurora_a5s_a1, BIGTREE_OCTOPUS_V1, ARMED, mks_robin_e3, melzi, BIGTREE_BTT002, melzi_optimized, Anet_ET4_OpenBLT, mks_robin_maple, LERDGEX, STM32F103CB_malyan_maple, teensy31, STM32F103RE_btt_maple, melzi_optiboot, LERDGEK_usb_flash_drive, include_tree, BIGTREE_GTR_V1_0, mks_robin_e3_maple, STM32F103RC_btt_USB, mks_robin_e3p, rambo, mks_robin_lite, mks_robin_pro, BTT_SKR_SE_BX, STM32F103RE_btt_USB_maple, BIGTREE_GTR_V1_0_usb_flash_drive, melzi_optiboot_optimized, malyan_M300, SAMD51_grandcentral_m4, mega2560, STM32F103RE, STM32F103RE_btt, rumba32, teensy41, STM32F103RC_btt_USB_maple, mks_robin_nano35, FLY_MINI, STM32F103RC_fysetc, STM32F103RET6_creality_maple, BIGTREE_SKR_PRO_usb_flash_drive, STM32F103CB_malyan, STM32F070RB_malyan, LERDGES, mks_robin_nano35_maple, STM32F103RET6_creality, chitu_v5_gpio_init, STM32F103VE_GTM32, BIGTREE_SKR_PRO, FLY_MINI_maple, mks_robin_nano_v3_usb_flash_drive_msc, BIGTREE_SKR_2_USB, trigorilla_pro, at90usb1286_cdc, teensy36, linux_native, STM32F103VE_longer, LPC1769, STM32F103RE_btt_USB, LPC1768, mks_robin_nano_v3, BIGTREE_OCTOPUS_V1_USB, MightyBoard2560, at90usb1286_dfu, STM32F407VE_black, mega2560ext, FYSETC_E4, MightyBoard1280, FYSETC_S6_8000, DUE_archim, mega1280, STM32F401VE_STEVAL, DUE, chitu_f103'

В чём может быть проблема? Раньше хоть описывалось в чём ошибка...