Test Enviornment Crashes Instantly

Entire Copy-Paste of the logs:

> Task :compileJava FAILED 
FAILURE: Build failed with an exception. 
* What went wrong: 
Execution failed for task ':compileJava'. 
> error: release version 16 not supported 
* Try: 
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights. 
* Get more help at https://help.gradle.org 
BUILD FAILED in 1s 
1 actionable task: 1 executed 
  
BUILD FAILED 
Task completed in 1 second