Pin 'adxl345_cs_pin' is not a valid pin name on mcu 'mcu'

When i add overides for my stepper motors I get this error.
this is what i added
[board_pins manta_m8p_tmc2209]
aliases:

z0_step_pin=PC9, z0_dir_pin=PC8, z0_enable_pin=PD1, z0_uart_pin=PD0, z0_diag_pin=null,
z1_step_pin=PA10, z1_dir_pin=PA14, z1_enable_pin=PA15, z1_uart_pin=PF8, z1_diag_pin=null,
z2_step_pin=PD11, z2_dir_pin=PD9, z2_enable_pin=PD15, z2_uart_pin=PD14, z2_diag_pin=null,