RaiseException.java:101:in `<init>': java.lang.NullPointerException
from Ruby.java:3551:in `newRaiseException'
from Ruby.java:3526:in `newEncodingCompatibilityError'
from RubyString.java:1366:in `cat'
from RubyString.java:1298:in `cat19'
from RubyArray.java:1487:in `inspectAry'
from RubyArray.java:1508:in `inspect'
from RubyArray$INVOKER$i$0$0$inspect.gen:-1:in `call'
from RubyClass.java:679:in `finvoke'
from RuntimeHelpers.java:541:in `invoke'
from RubyBasicObject.java:364:in `callMethod'
from RubyObject.java:394:in `inspect'
from RubyArray.java:1482:in `inspectAry'
from RubyArray.java:1508:in `inspect'
from RubyArray$INVOKER$i$0$0$inspect.gen:-1:in `call'
from RubyClass.java:679:in `finvoke'
from RuntimeHelpers.java:541:in `invoke'
from RubyBasicObject.java:364:in `callMethod'
from RubyBasicObject.java:1121:in `inspectObj'
from RubyBasicObject.java:1089:in `hashyInspect'
from RubyBasicObject.java:1068:in `inspect'
from RubyKernel.java:1854:in `inspect'
from RubyKernel$INVOKER$s$0$0$inspect.gen:-1:in `call'
from RubyClass.java:679:in `finvoke'
from RuntimeHelpers.java:541:in `invoke'
from RubyBasicObject.java:364:in `callMethod'
from RubyObject.java:394:in `inspect'
from RubyHash.java:727:in `visit'
from RubyHash.java:594:in `visitAll'
from RubyHash.java:722:in `inspectHash'
from RubyHash.java:756:in `inspect'
from RubyHash$INVOKER$i$0$0$inspect.gen:-1:in `call'
from RubyClass.java:679:in `finvoke'
from RuntimeHelpers.java:541:in `invoke'
from RubyBasicObject.java:364:in `callMethod'
from RubyBasicObject.java:1121:in `inspectObj'
from RubyBasicObject.java:1089:in `hashyInspect'
from RubyBasicObject.java:1068:in `inspect'
from RubyKernel.java:1854:in `inspect'
from RubyKernel$INVOKER$s$0$0$inspect.gen:-1:in `call'
from RubyClass.java:679:in `finvoke'
from RuntimeHelpers.java:541:in `invoke'
from RubyBasicObject.java:364:in `callMethod'
from RubyObject.java:394:in `inspect'
from RubyNameError.java:120:in `to_str'
from RubyNameError$RubyNameErrorMessage$INVOKER$i$0$0$to_str.gen:-1:in `call'
from RubyClass.java:679:in `finvoke'
from RuntimeHelpers.java:541:in `invoke'
from RubyBasicObject.java:364:in `callMethod'
from TypeConverter.java:71:in `convertToType'
from TypeConverter.java:117:in `convertToType'
from RubyBasicObject.java:758:in `convertToString'
from RubyNameError.java:202:in `to_s'
from RubyNameError$INVOKER$i$0$0$to_s.gen:-1:in `call'
from RubyClass.java:679:in `finvoke'
from RuntimeHelpers.java:541:in `invoke'
from RubyBasicObject.java:364:in `callMethod'
from RubyException.java:266:in `message'
from RaiseException.java:181:in `getMessage'
from Throwable.java:391:in `getLocalizedMessage'
from Throwable.java:479:in `toString'
from Throwable.java:311:in `<init>'
from Exception.java:102:in `<init>'
from ExecutionException.java:92:in `<init>'
from FutureTask.java:252:in `innerGet'
from FutureTask.java:111:in `get'
from NativeMethodAccessorImpl.java:-2:in `invoke0'
from NativeMethodAccessorImpl.java:57:in `invoke'
from DelegatingMethodAccessorImpl.java:43:in `invoke'
from Method.java:601:in `invoke'
from JavaMethod.java:440:in `invokeDirectWithExceptionHandling'
from JavaMethod.java:304:in `invokeDirect'
from InstanceMethodInvoker.java:50:in `call'
from MethodHandle.java:566:in `invokeWithArguments'
from InvocationLinker.java:149:in `invocationFallback'
from lib/payout_printer.rb:159:in `block_8$RUBY$__file__'
from lib$payout_printer$block_8$RUBY$__file__:-1:in `call'
from CompiledBlock.java:112:in `yield'
from CompiledBlock.java:95:in `yield'
from Block.java:130:in `yield'
from RubyArray.java:1604:in `eachCommon'
from RubyArray.java:1611:in `each'
from MethodHandleImpl.java:1146:in `invoke_L4'
from MethodHandleImpl.java:1146:in `invoke_L4'
from MethodHandle.java:566:in `invokeWithArguments'
from InvocationLinker.java:241:in `invocationFallback'
from lib/payout_printer.rb:156:in `block_3$RUBY$__file__'
from lib$payout_printer$block_3$RUBY$__file__:-1:in `call'
from CompiledBlock.java:112:in `yield'
from CompiledBlock.java:95:in `yield'
from Block.java:130:in `yield'
from YieldNode.java:119:in `interpret'
from NewlineNode.java:104:in `interpret'
from BlockNode.java:71:in `interpret'
from EnsureNode.java:96:in `interpret'
from ASTInterpreter.java:75:in `INTERPRET_METHOD'
from InterpretedMethod.java:169:in `call'
from DefaultMethod.java:191:in `call'
from MethodHandleImpl.java:1146:in `invoke_L4'
from MethodHandleImpl.java:1146:in `invoke_L4'
from MethodHandle.java:566:in `invokeWithArguments'
from InvocationLinker.java:241:in `invocationFallback'
from lib/payout_printer.rb:91:in `__file__'
from lib/payout_printer.rb:-1:in `load'
from Ruby.java:778:in `runScript'
from Ruby.java:771:in `runScript'
from Ruby.java:648:in `runNormally'
from Ruby.java:497:in `runFromMain'
from Main.java:376:in `doRunFromMain'
from Main.java:265:in `internalRun'
from Main.java:231:in `run'
from Main.java:215:in `run'
from Main.java:195:in `main'
