ZHA not always working

Hi all
Recently i have had an issue with ZHA and it reaching some lights and blinds.

It now required to reload the intergation in order to work the lounge lohjt and blind. Then inwill have to do this at least once a day and i cant figure out why.

Any tips on what this might be. Happybto upload any info if it will help diagnose the ptoblem.

Thanks!!

Start by reading this guide: Zigbee network optimization: a how-to guide for avoiding radio frequency interference + adding Zigbee Router devices (repeaters/extenders) to get a stable Zigbee network mesh with best possible range and coverage by fully utilizing Zigbee mesh networking