System Information
| Field |
Value |
| Operating System |
Linux - Ubuntu 26.04 on x86_64 |
| Product |
AMP ‘Deimos’ v2.7.2.4 (Mainline) |
| Virtualization |
None |
| Application |
Minecraft |
| Module |
MinecraftModule |
| Running in Container |
No |
| Current State |
Failed |
Problem Description
Issue
java.util.concurrent.ExecutionException: java.lang.IllegalStateException: No key dimensions in MapLike[{}]; No key seed in MapLike[{}]
at java.base/java.util.concurrent.CompletableFuture.wrapInExecutionException(CompletableFuture.java:345) ~[?:?] {}
Reproduction Steps
- Create new instance
- Switch server version from Official Default to Neoforge 1.21.228
- Server does not start after seemingly doing nothing other than switching the version