"Timer Too Close" at a consistent time in file

[LifeOfBrian]

Maybe you can try lowering the extruder microsteps at least for testing purpose.

Otherwise I think you already read through here:

Timer too close

Background This error typically occurs when the host sends a message to the MCU, scheduling an event at a time that is in the past. Reasons High system load of the host High disk activity of the host Swapping due to low free memory Disk errors / dying SD card Unstable voltage Other hardware hogging the USB bus or other system resources Running in a Virtual Machine USB, UART or CANBUS wiring faults leading to extremely delayed messages Electro-Magnetic Interference (EMI) affecting proper signal…