Condition blocks error

[Former user]

[12:32:59 WARN]: [MAmbience] Plugin MAmbience v3.2.0+1.17.1 generated an exception while executing task 19 java.lang.NullPointerException: Cannot invoke "java.lang.Integer.intValue()" because the return value of "java.util.Map.get(Object)" is null at me.andre111.mambience.condition.ConditionBlocks.matches(ConditionBlocks.java:39) ~[?:?] at me.andre111.mambience.ambient.AmbientEvent.isInConditions(AmbientEvent.java:87) ~[?:?] at me.andre111.mambience.ambient.AmbientEvent.conditionsMet(AmbientEvent.java:82) ~[?:?] at me.andre111.mambience.ambient.AmbientEvent.update(AmbientEvent.java:63) ~[?:?] at me.andre111.mambience.MAScheduler.runAsyncUpdate(MAScheduler.java:153) ~[?:?] at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftTask.run(CraftTask.java:100) ~[patched_1.16.5.jar:git-Paper-783] at org.bukkit.craftbukkit.v1_16_R3.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) ~[patched_1.16.5.jar:git-Paper-783] at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) ~[patched_1.16.5.jar:git-Paper-783] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) ~[?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) ~[?:?] at java.lang.Thread.run(Thread.java:831) [?:?]