From the log file:

[15:30:09] [Server thread/ERROR]: Skipping event FMLServerStoppingEvent and marking errored mod aether since required dependency gilded-games-util has errored
[15:30:09] [Server thread/ERROR]: Fatal errors were detected during the transition from SERVER_STARTED to SERVER_STOPPING. Loading cannot continue

From the crash report:
UCHIJAAAAE	gilded-games-util{1.7.10-2.1} [Gilded Games Utility] (gilded-games-util-1.7.10-2.0.jar)
UCHIJAAAAE	aether{1.7.10-1.6} [Aether II] (aether-1.7.10-1.6.jar)

Extra information:
-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 2884332768 bytes (2750 MB) / 5536481280 bytes (5280 MB) up to 7516192768 bytes (7168 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx7G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 Optifine OptiFine_1.7.10_HD_U_E7 111 mods loaded, 111 mods active