Good afternoon David, Thank you very much for the quick response concerning my observations yesterday. I did as you recommended, that is to say. Reduce the quantity of contacts to under 255. I would have to say, it eliminated 99% of my problems. I have since learnt a few things which I want to share...

Now, when changing a contact in channel.
The following error code appears.

Picture of my RT73 pedigree for reference

System max's out on 3 attachments.
More files added below..

Good day, I'm using version 0.5.308.2 I imported the code plug from an Anytone 578,file (*.LST), all went well. However when trying to make a call on DMR, the radio does not send a signal to the hotspot. When hitting the PTT, the screen on the radio displays "NO CONTACT". Code plug has als...