World Generation crash for Pie

World Generator seems to have an unhandled System.OverflowException for values outside the range:

Error in WorldGenScreen.WorldGenScreen.OnSpawn
System.OverflowException: Value was either too large or too small for an Int32.
  at System.Number.ParseInt32 (System.String s, System.Globalization.NumberStyles style, System.Globalization.NumberFormatInfo info) [0x00057] in <9577ac7a62ef43179789031239ba8798>:0
  at System.Int32.Parse (System.String s) [0x00007] in <9577ac7a62ef43179789031239ba8798>:0
  at OfflineWorldGen.DoWorldGenInitialize () [0x00011] in C:\jenkins_workspace\workspace\SimGame_Windows\game\Assets\scripts\worldgen\OfflineWorldGen.cs:333
  at OfflineWorldGen.DoWorldGen (System.Int32 selectedDimension) [0x00008] in C:\jenkins_workspace\workspace\SimGame_Windows\game\Assets\scripts\worldgen\OfflineWorldGen.cs:326
  at OfflineWorldGen.Generate () [0x00170] in C:\jenkins_workspace\workspace\SimGame_Windows\game\Assets\scripts\worldgen\OfflineWorldGen.cs:123
  at WorldGenScreen.OnSpawn () [0x0006a] in C:\jenkins_workspace\workspace\SimGame_Windows\game\Assets\scripts\ui\WorldGenScreen.cs:40
  at KMonoBehaviour.Spawn () [0x00078] in C:\jenkins_workspace\workspace\SimGame_Windows\game\Assets\Plugins\Klei\util\KMonoBehaviour.cs:285

UnityEngine.Debug:LogError(Object, Object)
Debug:LogError(Object, Object) (at C:/jenkins_workspace/workspace/SimGame_Windows/game/Assets/Plugins/Debug.cs:152)
DebugUtil:LogErrorArgs(Object, Object[]) (at C:/jenkins_workspace/workspace/SimGame_Windows/game/Assets/Plugins/Klei/util/DebugUtil.cs:191)
DebugUtil:LogException(Object, String, Exception) (at C:/jenkins_workspace/workspace/SimGame_Windows/game/Assets/Plugins/Klei/util/DebugUtil.cs:201)
KMonoBehaviour:Spawn() (at C:/jenkins_workspace/workspace/SimGame_Windows/game/Assets/Plugins/Klei/util/KMonoBehaviour.cs:292)
KMonoBehaviour:Start() (at C:/jenkins_workspace/workspace/SimGame_Windows/game/Assets/Plugins/Klei/util/KMonoBehaviour.cs:243)