Writing to a non-existing register makes the script get stuck
Example of the problem:
Write request on:
kcu1500_ugmt link_enable 255
Traceback (most recent call last):
File "l1scout_monitoring_and_control.py", line 139, in <module>
if not config_json[write_request['board']]['registers'][write_request['regi$
ter']]:
KeyError: 'link_enable'