WARN [gps] ubx msg 0x0106 invalid len

I got the following warnings with PX4 running on Raspberry Pi 3 with custom sensors and need to know what it means and why it has been generated?

WARN [gps] ubx msg 0x0106 invalid len 46590
WARN [gps] ubx msg 0x0106 invalid len 11260
WARN [gps] ubx msg 0x0106 invalid len 46580

I am using ublox LEA-6H GPS module via UART to USB adapter.