Resolved isValid() throwing ArrayIndexOutOfBounds Exception

Stacktrace:

Code (Text):

1.  
2. java.lang.RuntimeException:
3. java.lang.ArrayIndexOutOfBoundsException 
4.     at com.runemate.game.api.script.Execution.delayUntil(xhb:96)
5.  at com.runemate.game.api.script.Execution.delayUntil(xhb:239)
6.  at com.runemate.game.api.script.Execution.delayUntil(xhb:30)
7.  at com.slashnhax.scripts.haxagility.courses.AgilityCourse.execute(AgilityCourse.java:66)
8.  at com.slashnhax.scripts.haxagility.HaxAgility.poll(HaxAgility.java:35)
9.  at com.slashnhax.scripts.HaxScript.onLoop(HaxScript.java:46)
10.  at com.runemate.game.api.script.framework.LoopingScript.run(yhb:89)
11.  at com.runemate.game.api.script.framework.AbstractScript.start(plb:197)
12.  at a.sJ.run(clb:102)Caused by: java.lang.ArrayIndexOutOfBoundsException
13.  at java.lang.reflect.Array.get(Native Method) 
14.     at a.Rl.byte(oeb:44) 
15.     at com.runemate.game.api.hybrid.region.GameObjects.getLoadedAt(wpb:65)
16.  at com.runemate.game.api.hybrid.region.GameObjects.getLoadedAt(wpb:247)
17.  at a.TM.isValid(rrb:185)
18.  at a.Hn.isVisible(pqb:240)
19.  at a.vl.byte(sqb:126)
20.  at a.vl.byte(sqb:28)
21.  at a.vl.byte(sqb:152)
22.  at a.vl.move(sqb:75)
23.  at com.runemate.game.api.hybrid.input.Mouse.move(ep:234)
24.  at com.runemate.game.api.hybrid.input.Mouse.move(ep:256)
25.  at a.Hn.hover(pqb:19)
26.  at com.slashnhax.scripts.haxagility.courses.AgilityCourse.lambda$execute$3(AgilityCourse.java:71)
27.  at com.slashnhax.scripts.haxagility.courses.AgilityCourse$$Lambda$439/1398505156.call(Unknown Source)
28.  at com.runemate.game.api.script.Execution.delayUntil(xhb:163) 
29.     ... 8 more
30.  

Lines 66-75 of my script bot code:

Code (Text):

1.  
2. Execution.delayUntil(() -> {
3.     if (nextObstacle != null) {
4.         if (!nextObstacle.isVisible()) {
5.             Camera.turnTo(nextObstacle);
6.         } else {
7.             nextObstacle.hover();
8.         }
9.     }
10.     return next.isFinished();
11. }, 200, next.getCompletionTime());
12.