Got the error below while playing a 3-player run using the "Together in Spire" with 3 Packmaster characters. Not sure if the bug is related to Packmaster or Together in Spire. The crash occured during the Act 3 boss fight against Awakened One after it died.

02:03:32.261 INFO spireTogether.SpireTogetherMod> Client: The room status at i0[29, 15, TheBeyond; 0] is now COMBAT_CLEARED
02:03:32.493 INFO audio.MainMusic> Unsilencing TheBeyond
02:03:32.493 INFO audio.MainMusic> Unsilencing MENU
02:03:32.494 INFO audio.MainMusic> Unsilencing TheBeyond
02:03:32.510 INFO core.CardCrawlGame> Exception occurred in CardCrawlGame render method!
02:03:32.511 ERROR core.CardCrawlGame> Exception caught
java.lang.ArrayIndexOutOfBoundsException: -1
at java.util.ArrayList.elementData(ArrayList.java:418) ~[?:1.8.0_144]
at java.util.ArrayList.get(ArrayList.java:431) ~[?:1.8.0_144]
at com.megacrit.cardcrawl.dungeons.TheBeyond.generateExclusions(TheBeyond.java:152) ~[desktop-1.0.jar:?]
at com.megacrit.cardcrawl.dungeons.TheBeyond.generateStrongEnemies(TheBeyond.java:136) ~[desktop-1.0.jar:?]
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.nextRoomTransition(AbstractDungeon.java:2145) ~[?:?]
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.nextRoomTransition(AbstractDungeon.java:2119) ~[?:?]
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.updateFading(AbstractDungeon.java:2848) ~[?:?]
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.update(AbstractDungeon.java:2517) ~[?:?]
at com.megacrit.cardcrawl.core.CardCrawlGame.update(CardCrawlGame.java:876) ~[?:?]
at com.megacrit.cardcrawl.core.CardCrawlGame.render(CardCrawlGame.java:423) [?:?]
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:225) [?:?]
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126) [?:?]
Controllers: removed manager for application, 0 managers active
02:03:32.527 INFO core.CardCrawlGame> PAUSE()
02:03:32.528 INFO core.CardCrawlGame> Game shutting down...
02:03:32.528 INFO core.CardCrawlGame> Flushing saves to disk...
02:03:32.528 INFO core.CardCrawlGame> Shutting down controller handler...
02:03:32.528 INFO helpers.FileSaver> Save thread interrupted!
02:03:32.529 INFO helpers.FileSaver> Save thread will die now.
02:03:32.529 INFO helpers.FileSaver> Save thread will die now.
02:03:32.529 INFO core.CardCrawlGame> Shutting down publisher integrations...
2024-10-03 22:03:32,530 FileSaver ERROR An exception occurred processing Appender Console org.apache.logging.log4j.core.appender.AppenderLoggingException: java.lang.Error: Interrupted attempt to acquire write lock
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:165)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:134)
at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:125)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:89)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:542)
at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:500)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:483)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:82)
at org.apache.logging.log4j.core.Logger.log(Logger.java:161)
at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2205)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2159)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2142)
at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2017)
at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1983)
at org.apache.logging.log4j.spi.AbstractLogger.info(AbstractLogger.java:1320)
at com.megacrit.cardcrawl.helpers.FileSaver.run(FileSaver.java:31)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.Error: Interrupted attempt to acquire write lock
at javax.swing.text.AbstractDocument.writeLock(AbstractDocument.java:1349)
at javax.swing.text.AbstractDocument.insertString(AbstractDocument.java:701)
at javax.swing.text.PlainDocument.insertString(PlainDocument.java:130)
at com.evacipated.cardcrawl.modthespire.ui.MessageConsole$ConsoleOutputStream.clearBuffer(MessageConsole.java:226)
at com.evacipated.cardcrawl.modthespire.ui.MessageConsole$ConsoleOutputStream.handleAppend(MessageConsole.java:183)
at com.evacipated.cardcrawl.modthespire.ui.MessageConsole$ConsoleOutputStream.flush(MessageConsole.java:154)
at java.io.PrintStream.write(PrintStream.java:482)
at org.apache.logging.log4j.core.util.CloseShieldOutputStream.write(CloseShieldOutputStream.java:53)
at org.apache.logging.log4j.core.appender.OutputStreamManager.writeToDestination(OutputStreamManager.java:250)
at org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:283)
at org.apache.logging.log4j.core.appender.OutputStreamManager.flush(OutputStreamManager.java:294)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:199)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:190)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:181)
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:161)
... 17 more

02:03:32.552 INFO steam.SteamTicker> [ERROR] SteamAPI stopped running.
02:03:32.562 INFO core.CardCrawlGame> Flushing logs to disk. Clean shutdown successful.

Game crashed.
Version Info:
- Java version (1.8.0_144)
- Slay the Spire (12-18-2022)
- ModTheSpire (3.30.3)
Mod list:
- basemod (5.54.1)
- stslib (2.11.0)
- spireTogether (6.4.15)
- anniv5 (2.3.5)
- expansionPacks (1.5.1)

Cause:
java.lang.ArrayIndexOutOfBoundsException: -1
at java.util.ArrayList.elementData(ArrayList.java:418)
at java.util.ArrayList.get(ArrayList.java:431)
at com.megacrit.cardcrawl.dungeons.TheBeyond.generateExclusions(TheBeyond.java:152)
at com.megacrit.cardcrawl.dungeons.TheBeyond.generateStrongEnemies(TheBeyond.java:136)
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.nextRoomTransition(AbstractDungeon.java:2145)
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.nextRoomTransition(AbstractDungeon.java:2119)
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.updateFading(AbstractDungeon.java:2848)
at com.megacrit.cardcrawl.dungeons.AbstractDungeon.update(AbstractDungeon.java:2517)
at com.megacrit.cardcrawl.core.CardCrawlGame.update(CardCrawlGame.java:876)
at com.megacrit.cardcrawl.core.CardCrawlGame.render(CardCrawlGame.java:423)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication.mainLoop(LwjglApplication.java:225)
at com.badlogic.gdx.backends.lwjgl.LwjglApplication$1.run(LwjglApplication.java:126)