Minecraft Forge Server wont start when trying to add ram(MAC)

Hello, I'm new to making a modded minecraft server and just recently started looking into how to make/run one on mac. I was able to create a regular Vanilla server and run it smoothly without any errors. I eventually moved on to running modded minecraft forge servers and ran into an error message on the mac terminal and I am unsure where to go or what to do. I have a early 2008 mac running El capitain. The mod server file I used to download the forge server is 1.12.2 (forge - 14.23.2.2611). I us

I dont believe you need the Development kit, but I've always downloaded it just to be safe (it includes normal java in it) and its worked fine How to change it: It could be complicated, you should be able to change it with commands but that didn't work for me (MacBook Pro 2013) so I deleted java completely then installed the right java Java 8u151: http://www.oracle.com/technetwork/java/javase/downloads/java-archive-javase8-2177648.html MAKE SURE you downlo