Server keeps stopping after that it says starting please help

the server keeps stopping after that it says starting i'm using forge 1.12.2 and a mod called realm of dragons idk if its a problem with the forge or something or the mod since its working when i just use normal minecraft

there i shared it

nvm i figured out the problem i think

i figured out the problem it was that i forgot to get llibrary to the mod thats why it keept crashing sorry to disturb you even though you helped me by telling me to go to share button on the log thanks