Error in code? Why power of laser flame deteriorated?

Observed very low of laser flame, head lens cleaned. No improvement.
Noted following code:
e[0;31mE (168456) gpio: gpio_isr_handler_remove(480): GPIO isr service is not installed, call gpio_install_isr_service() firste[0m

Please advise

This is a firmware issue. You need to flash it again.