I'm getting a lot of exceptions in the log with Coreprotect and I'm not sure why, they keep getting spammed. Do you know what may cause this?

[02:16:00] [Thread-16/WARN]: java.io.NotSerializableException: org.bukkit.craftbukkit.v1_21_R3.attribute.CraftAttribute [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1200) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:358) [02:16:00] [Thread-16/WARN]: at java.base/java.util.ArrayList.writeObject(ArrayList.java:948) [02:16:00] [Thread-16/WARN]: at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) [02:16:00] [Thread-16/WARN]: at java.base/java.lang.reflect.Method.invoke(Method.java:580) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1072) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1529) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1451) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1194) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:358) [02:16:00] [Thread-16/WARN]: at java.base/java.util.ArrayList.writeObject(ArrayList.java:948) [02:16:00] [Thread-16/WARN]: at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) [02:16:00] [Thread-16/WARN]: at java.base/java.lang.reflect.Method.invoke(Method.java:580) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1072) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1529) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1451) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1194) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:358) [02:16:00] [Thread-16/WARN]: at java.base/java.util.ArrayList.writeObject(ArrayList.java:948) [02:16:00] [Thread-16/WARN]: at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) [02:16:00] [Thread-16/WARN]: at java.base/java.lang.reflect.Method.invoke(Method.java:580) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1072) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1529) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1451) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1194) [02:16:00] [Thread-16/WARN]: at java.base/java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:358) [02:16:00] [Thread-16/WARN]: at net.coreprotect.database.statement.EntityStatement.insert(EntityStatement.java:27) [02:16:00] [Thread-16/WARN]: at net.coreprotect.database.logger.EntityKillLogger.log(EntityKillLogger.java:49) [02:16:00] [Thread-16/WARN]: at net.coreprotect.consumer.process.EntityKillProcess.process(EntityKillProcess.java:24) [02:16:00] [Thread-16/WARN]: at net.coreprotect.consumer.process.Process.processConsumer(Process.java:205) [02:16:00] [Thread-16/WARN]: at net.coreprotect.consumer.Consumer.run(Consumer.java:133) [02:16:00] [Thread-16/WARN]: at java.base/java.lang.Thread.run(Thread.java:1583) [02:16:00] [Thread-16/WARN]: java.lang.NullPointerException: Cannot invoke "java.sql.ResultSet.next()" because "resultSet" is null [02:16:00] [Thread-16/WARN]: at net.coreprotect.database.logger.EntityKillLogger.log(EntityKillLogger.java:51) [02:16:00] [Thread-16/WARN]: at net.coreprotect.consumer.process.EntityKillProcess.process(EntityKillProcess.java:24) [02:16:00] [Thread-16/WARN]: at net.coreprotect.consumer.process.Process.processConsumer(Process.java:205) [02:16:00] [Thread-16/WARN]: at net.coreprotect.consumer.Consumer.run(Consumer.java:133) [02:16:00] [Thread-16/WARN]: at java.base/java.lang.Thread.run(Thread.java:1583)