plugin help

[Duckyy]

does anyone know what this means

> [22:49:25 WARN]: [MassPrestigeGenerator] Plugin MassPrestigeGenerator v1.1 generated an exception while executing task 4219
java.lang.NoClassDefFoundError: me/prisonranksx/api/PRXAPI
at me.massprestigegenerator.MassPrestigeGenerator.lambda$10(MassPrestigeGenerator.java:609) ~[?:?]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:76) ~[Prison.jar:git-Spigot-dcd1643-e60fc34]
at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:52) [Prison.jar:git-Spigot-dcd1643-e60fc34]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_262]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_262]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_262]

 

[RidgetOS]

java.lang.NoClassDefFoundError: me/prisonranksx/api/PRXAPI

 

[Duckyy]

Try a diffferent version...java.lang.NoClassDefFoundError means that either it couldnt find the predefined classes or cant load them

diffrent version of what

 

[Duckyy]

Of the plugin

what plugin prisonranksx or MassPrestigeGenerator