Game crash after use framebuffer screenshot function.

[TrangggP]

sorry for my English!

I am current using MC 1.21 - Fabric Loader 0.15.11 - Fabric API 0.120.0 - ResolutionControl 3 1.21-4.0.0
After use Screenshot Framebuffer keybind, game crash immediately ;-;

Error log part:

[21:17:59] [Render thread/ERROR]:
 Unreported exception thrown!
java.lang.IllegalStateException: java.io.IOException: The system cannot find the path specified
	at io.github.ultimateboomer.resolutioncontrol.util.RCUtil.getScreenshotFilename(RCUtil.java:43) ~[ResolutionControl-3-1.21-4.0.0.jar:?]
	at io.github.ultimateboomer.resolutioncontrol.ResolutionControlMod.saveScreenshot(ResolutionControlMod.java:129) ~[ResolutionControl-3-1.21-4.0.0.jar:?]
	at io.github.ultimateboomer.resolutioncontrol.ResolutionControlMod.setShouldScale(ResolutionControlMod.java:183) ~[ResolutionControl-3-1.21-4.0.0.jar:?]
	at net.minecraft.class_757.handler$cna000$resolutioncontrol3$onRenderWorldEnd(class_757.java:6604) ~[client-intermediary.jar:?]
	at net.minecraft.class_757.method_3188(class_757.java:1117) ~[client-intermediary.jar:?]
	at net.minecraft.class_757.method_3192(class_757.java:850) ~[client-intermediary.jar:?]
	at net.minecraft.class_310.method_1523(class_310.java:1285) ~[client-intermediary.jar:?]
	at net.minecraft.class_310.method_1514(class_310.java:882) [client-intermediary.jar:?]
	at net.minecraft.client.main.Main.main(Main.java:256) [client-intermediary.jar:?]
	at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:470) [fabric-loader-0.15.11.jar:?]
	at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74) [fabric-loader-0.15.11.jar:?]
	at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23) [fabric-loader-0.15.11.jar:?]
Caused by: java.io.IOException: The system cannot find the path specified
	at java.base/java.io.WinNTFileSystem.createFileExclusively0(Native Method) ~[?:?]
	at java.base/java.io.WinNTFileSystem.createFileExclusively(Unknown Source) ~[?:?]
	at java.base/java.io.File.createNewFile(Unknown Source) ~[?:?]
	at io.github.ultimateboomer.resolutioncontrol.util.RCUtil.getScreenshotFilename(RCUtil.java:41) ~[ResolutionControl-3-1.21-4.0.0.jar:?]
	... 11 more

Full latest log: https://mclo.gs/WXv6uu4 .

It continues even if in my mods folder there is only fabric api, mod menu and resolutioncontrol. Please help me;-;