Plugin-Quelldateien werden nicht mehr vom Spiel "on the fly" kompiliert?

LOAD PLUGIN FROM PROJECT
JDK PATH: "C:\\Program Files\Java\jdk1.8.0_152"
   -classpath C:\Program Files (x86)\Steam\steamapps\common\RisingWorld\plugins\animalbreedmaster
   -d .;data/jiw/plugin-api.jar;
X:\workspace_intellij\Rising World Plugins\AnimalBreedMaster\src\carsten\risingworld\abm\AnimalBreedMaster.java:426: error: type Callback does not take parameters
  class CallbackRayCastResult implements Callback<RayCastResult>
                                                 ^
X:\workspace_intellij\Rising World Plugins\AnimalBreedMaster\src\carsten\risingworld\abm\AnimalBreedMaster.java:435: error: method does not override or implement a method from a supertype
    @Override
    ^
X:\workspace_intellij\Rising World Plugins\AnimalBreedMaster\src\carsten\risingworld\abm\AnimalBreedMaster.java:503: error: incompatible types: Object cannot be converted to Player
    for(Player player : getServer().getAllPlayers())
                                                 ^
X:\workspace_intellij\Rising World Plugins\AnimalBreedMaster\src\carsten\risingworld\abm\AnimalBreedMaster.java:839: error: incompatible types: Object cannot be converted to Player
    for(Player player : getServer().getAllPlayers())
                                                 ^
X:\workspace_intellij\Rising World Plugins\AnimalBreedMaster\src\carsten\risingworld\abm\AnimalBreedMaster.java:841: error: incompatible types: AnimalBreedMaster.CallbackRayCastResult cannot be converted to Callback
      player.raycast(COLLISIONTYPES, getPlayerCallbackResult(player));
                                                            ^
Note: X:\workspace_intellij\Rising World Plugins\AnimalBreedMaster\src\carsten\risingworld\abm\AnimalBreedMaster.java uses unchecked or unsafe operations.
Note: Recompile with -Xlint:unchecked for details.
Note: Some messages have been simplified; recompile with -Xdiags:verbose to get full output
5 errors
Copied file from X:\workspace_intellij\Rising World Plugins\AnimalBreedMaster\src\META-INF\MANIFEST.MF to C:\Program Files (x86)\Steam\steamapps\common\RisingWorld\plugins\animalbreedmaster\META-INF\MANIFEST.MF
create new file C:\Program Files (x86)\Steam\steamapps\common\RisingWorld\plugins\animalbreedmaster\META-INF\MANIFEST.MF
Copied file from X:\workspace_intellij\Rising World Plugins\AnimalBreedMaster\src\resources\plugin.yml to C:\Program Files (x86)\Steam\steamapps\common\RisingWorld\plugins\animalbreedmaster\resources\plugin.yml
create new file C:\Program Files (x86)\Steam\steamapps\common\RisingWorld\plugins\animalbreedmaster\resources\plugin.yml