Various weird things when running the ready_to_localize sketch

[ivannunyadambiz]

----------POZYX POSITIONING V1.0----------

Performing auto anchor calibration:
ERROR: calibration
Reset required
Error 0x0D: Invalid function parameters for the register function

this is random. One reset later:

----------POZYX POSITIONING V1.0----------

Performing auto anchor calibration:
list size: 4
Calibration result:
Anchors found: 4
ANCHOR,0x601F,0,0,0
ANCHOR,0x603E,16842,0,0
ANCHOR,0x6048,4064,7142,0
ANCHOR,0x6018,10601,7798,0
Starting positioning:
POS,0x605F,0,0,0,0,0,0,0,0,0,6082,-81,17772,-82,5122,-82,12989,-82

some time later:

----------POZYX POSITIONING V1.0----------

Performing auto anchor calibration:
0
ERROR: calibration
Reset required
Error 0x0E: The coordinates of an anchor are not found

later:

----------POZYX POSITIONING V1.0----------

Performing auto anchor calibration:
8
ERROR: calibration
Reset required