@laconfiserie, thanks for your help and suggestions yesterday, I still not cracked it. I’ve moved my issue to a new forum thread because it’s really a separate issue to this one, please come over there to chip in if you have any thoughts and to continue this. Thanks again.
https://support.advancedcustomfields.com/forums/topic/wp_query-with-meta_query-on-a-subfield-within-a-group-field/
