"java -Xmx2048M -Xms2048M -jar forge-1.12.2-14.23.5.2855.jar nogui" not working

[TapTrap2090]

i am trying to make a server with me and my friends to play on i have installed the forge server, excepted the Eula and added all the mods. i am trying to make a 'server start.bat'

file with this command in it 

java -Xmx2048M -Xms2048M -jar forge-1.12.2-14.23.5.2855.jar nogui

but when i run it a command prompt appears and then instantly disappears, can any one help me?

 

in the server folder:

Edited August 22, 2021 by TapTrap2090
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