cant render an save to external drive

Steps to reproduce:
    1. ...

Start rendering with Media Encoder to store the output on external drive

Result: ... file not found errors 
Expected: ... render and store
 

Rendering with output on internal drive wo problems 

System info
    Application: After Effects (Beta) v24.2.0.21
    OS: macOS v14.1.1, RAM: 64,00 GB GB, CPUs (logical): 10