Error Compiling Movie, Export Error, Error finishing encode, Selector 9, Error code 39

Exporting as H.264 Timecode 00.27.53.07 Componant H.264 of type exporter Selector: 9 Error Code 39

Using Adobe Premier probe 2025

Novice user please advise 

A) What is going wrong

B) How to resolve

Please and thank you.