I have not researched the reason that it crashes, as my LUA programming is a bit rusty after using this many years ago. I searched for considerations for LUA mixer scripts when migrating from openTX ...

OpenTX v2.3.2 on FrSky Taranis Q X7 OpenTX Companion v2.3.2 (all FrSky Taranis platforms, Jumper T12) Widgets have different options depending on how they're designed. Look at the head description of ...