A mod might require ExampleMod v1.2 , but you have v1.3 . The reload succeeds because the API doesn't check every dependency until the join phase. When you attempt to join, the game realizes a shared library is missing or duplicated, causing a silent crash.
. You can check or change your version by right-clicking tModLoader in Steam, selecting Properties , and navigating to the Verify Game Files reload complete joining tmodloader
: Joining via IP address is reported to be less stable than joining through a Steam friend invite. Version Mismatches A mod might require ExampleMod v1