I can not find the error source maybe one of you can help me.
Here is the log:
Daemon] Server marked as STARTING
[Daemon] Checking size of server data directory...
[Daemon] Disk Usage: 4788M / 25600M
[Daemon] Ensuring correct ownership of files.
[Daemon] Running server preflight.
[Daemon] Starting server container.
openjdk version "1.8.0_282"
OpenJDK Runtime Environment (build 1.8.0_282-b08)
OpenJDK 64-Bit Server VM (build 25.282-b08, mixed mode)
:/home/container$ java -Xms265M -Xmx12288M -jar server.jar
[11:31:53] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher running: args [--gameDir, ., --launchTarget, fmlserver, --fml.forgeVersion, 36.0.14, --fml.mcpVersion, 20210115.111550, --fml.mcVersion, 1.16.5, --fml.forgeGroup, net.minecraftforge]
[11:31:53] [main/INFO] [cp.mo.mo.Launcher/MODLAUNCHER]: ModLauncher 8.0.9+86+master.3cf110c starting: java version 1.8.0_282 by Oracle Corporation
Exception in thread "main" java.lang.NoClassDefFoundError: cpw/mods/gross/Java9ClassLoaderUtil
at cpw.mods.modlauncher.TransformationServicesHandler.discoverServices(TransformationServicesHandler.java:139)
at cpw.mods.modlauncher.Launcher.run(Launcher.java:75)
at cpw.mods.modlauncher.Launcher.main(Launcher.java:66)
at net.minecraftforge.server.ServerMain$Runner.runLauncher(ServerMain.java:63)
at net.minecraftforge.server.ServerMain$Runner.access$100(ServerMain.java:60)
at net.minecraftforge.server.ServerMain.main(ServerMain.java:57)
Caused by: java.lang.ClassNotFoundException: cpw.mods.gross.Java9ClassLoaderUtil
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 6 more
[Daemon] Server marked as OFF
[Daemon] ---------- Detected server process in a crashed state! ----------
[Daemon] Exit Code: 1
[Daemon] Out of Memory: false
[Daemon] Error Response:
[Daemon] Aborting automatic reboot due to crash within the last 60 seconds.