crash report:
[net.minecraft.init.Bootstrap:func_179870_a:571]: ---- Minecraft Crash Report ----
// Would you like a cupcake?
Time: 13/11/16 17:52
Description: Rendering video
java.lang.IllegalStateException: No output file found.
	at eu.crushedpixel.replaymod.video.VideoWriter.getVideoFile(VideoWriter.java:126)
	at eu.crushedpixel.replaymod.video.VideoRenderer.finish(VideoRenderer.java:197)
	at eu.crushedpixel.replaymod.video.VideoRenderer.renderVideo(VideoRenderer.java:130)
	at eu.crushedpixel.replaymod.replay.ReplayProcess.startReplayProcess(ReplayProcess.java:154)
	at eu.crushedpixel.replaymod.replay.ReplayHandler.startPath(ReplayHandler.java:169)
	at eu.crushedpixel.replaymod.gui.GuiRenderSettings.startRendering(GuiRenderSettings.java:552)
	at eu.crushedpixel.replaymod.gui.GuiRenderSettings.access$000(GuiRenderSettings.java:32)
	at eu.crushedpixel.replaymod.gui.GuiRenderSettings$1.run(GuiRenderSettings.java:48)
	at eu.crushedpixel.replaymod.gui.elements.GuiAdvancedButton.performAction(GuiAdvancedButton.java:121)
	at eu.crushedpixel.replaymod.gui.elements.GuiAdvancedButton.mouseClick(GuiAdvancedButton.java:88)
	at eu.crushedpixel.replaymod.gui.elements.ComposedElement.mouseClick(ComposedElement.java:77)
	at eu.crushedpixel.replaymod.gui.elements.DelegatingElement.mouseClick(DelegatingElement.java:42)
	at eu.crushedpixel.replaymod.gui.GuiRenderSettings.func_73864_a(GuiRenderSettings.java:426)
	at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:548)
	at eu.crushedpixel.replaymod.events.handlers.MinecraftTicker.runMouseKeyboardTick(MinecraftTicker.java:34)
	at eu.crushedpixel.replaymod.timer.ReplayTimer.func_74275_a(ReplayTimer.java:34)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1008)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:345)
	at net.minecraft.client.main.Main.main(SourceFile:120)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Stacktrace:
	at eu.crushedpixel.replaymod.video.VideoWriter.getVideoFile(VideoWriter.java:126)
	at eu.crushedpixel.replaymod.video.VideoRenderer.finish(VideoRenderer.java:197)
	at eu.crushedpixel.replaymod.video.VideoRenderer.renderVideo(VideoRenderer.java:130)
	at eu.crushedpixel.replaymod.replay.ReplayProcess.startReplayProcess(ReplayProcess.java:154)
	at eu.crushedpixel.replaymod.replay.ReplayHandler.startPath(ReplayHandler.java:169)
	at eu.crushedpixel.replaymod.gui.GuiRenderSettings.startRendering(GuiRenderSettings.java:552)
	at eu.crushedpixel.replaymod.gui.GuiRenderSettings.access$000(GuiRenderSettings.java:32)
	at eu.crushedpixel.replaymod.gui.GuiRenderSettings$1.run(GuiRenderSettings.java:48)
	at eu.crushedpixel.replaymod.gui.elements.GuiAdvancedButton.performAction(GuiAdvancedButton.java:121)
	at eu.crushedpixel.replaymod.gui.elements.GuiAdvancedButton.mouseClick(GuiAdvancedButton.java:88)
	at eu.crushedpixel.replaymod.gui.elements.ComposedElement.mouseClick(ComposedElement.java:77)
	at eu.crushedpixel.replaymod.gui.elements.DelegatingElement.mouseClick(DelegatingElement.java:42)
	at eu.crushedpixel.replaymod.gui.GuiRenderSettings.func_73864_a(GuiRenderSettings.java:426)
	at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:548)
	at eu.crushedpixel.replaymod.events.handlers.MinecraftTicker.runMouseKeyboardTick(MinecraftTicker.java:34)
-- Affected level --
Details:
	Level name: MpServer
	All players: 2 total; [CameraEntity['Player'/-1789435, l='MpServer', x=-16,00, y=14,25, z=-297,58], EntityOtherPlayerMP['Hubiug'/13349, l='MpServer', x=-8,59, y=6,09, z=-295,28]]
	Chunk stats: MultiplayerChunkCache: 81, 81
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: -121,00,10,00,11,00 - World: (-121,10,11), Chunk: (at 7,0,11 in -8,0; contains blocks -128,0,0 to -113,255,15), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 23794707 game time, 6000 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: spectator (ID 3). Hardcore: false. Cheats: false
	Forced entities: 3 total; [CameraEntity['Player'/-1789435, l='MpServer', x=-16,00, y=14,25, z=-297,58], EntityOtherPlayerMP['Hubiug'/13349, l='MpServer', x=-120,50, y=10,50, z=11,50], EntityOtherPlayerMP['Hubiug'/13349, l='MpServer', x=-8,59, y=6,09, z=-295,28]]
	Retry entities: 0 total; []
	Server brand: CalmRiver (git:CalmRiver-Bootstrap:1.10-SNAPSHOT:ae18d09:unknown)