While sliding a Slidable, it sometimes throws the following exception:

I/flutter (13152): ══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞═══════════════════════════════════════════════════════════
I/flutter (13152): The following RangeError was thrown building AnimatedBuilder(animation: AnimationController#4bf67(▶
I/flutter (13152): 0.191; paused), dirty, state: _AnimatedState#6161d):
I/flutter (13152): RangeError (index): Invalid value: Only valid value is 0: 1
I/flutter (13152):
I/flutter (13152): When the exception was thrown, this was the stack:
I/flutter (13152): #0 List.[] (dart:core/runtime/libgrowable_array.dart:141:60)
I/flutter (13152): #1 SlidableDrawerDelegate.buildStackActions... (package:flutter_slidable/src/widgets/slidable.dart:571:63)
I/flutter (13152): #2 new List.generate (dart:core/list.dart:162:28)
I/flutter (13152): #3 SlidableDrawerDelegate.buildStackActions.. (package:flutter_slidable/src/widgets/slidable.dart:565:32)
I/flutter (13152): #4 AnimatedBuilder.build (package:flutter/src/widgets/transitions.dart:633:12)
I/flutter (13152): #5 _AnimatedState.build (package:flutter/src/widgets/transitions.dart:96:48)
I/flutter (13152): #6 StatefulElement.build (package:flutter/src/widgets/framework.dart:3730:27)
I/flutter (13152): #7 ComponentElement.performRebuild (package:flutter/src/widgets/framework.dart:3642:15)
I/flutter (13152): #8 Element.rebuild (package:flutter/src/widgets/framework.dart:3495:5)
I/flutter (13152): #9 BuildOwner.buildScope (package:flutter/src/widgets/framework.dart:2242:33)
I/flutter (13152): #10 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&RendererBinding&WidgetsBinding.drawFrame (package:flutter/src/widgets/binding.dart:626:20)
I/flutter (13152): #11 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding&PaintingBinding&RendererBinding._handlePersistentFrameCallback (package:flutter/src/rendering/binding.dart:208:5)
I/flutter (13152): #12 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:990:15)
I/flutter (13152): #13 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:930:9)
I/flutter (13152): #14 _WidgetsFlutterBinding&BindingBase&GestureBinding&ServicesBinding&SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:842:5)
I/flutter (13152): #15 _invoke (dart:ui/hooks.dart:120:13)
I/flutter (13152): #16 _drawFrame (dart:ui/hooks.dart:109:3)