Exit code 139 typically indicates a segmentation fault, which may occur for various reasons including memory issues, incompatibilities, or corrupted data. Let’s try to diagnose this step by step.
First, could you please provide any relevant output from the console or logs? You can view the instance logs using the following command in the shell:
ampinstmgr lastlog Valheim
This will give us more details about the crash. Please copy and paste the relevant output here.