Nazza

Someone please help me, ive been trying to run a tekkit server for days now and it wont work, first it said i didnt have enough ram so i changed it then when i tried to run the server it gave me a bunch of warnings saying [forgemodloader] the coremod *insert mod here* does not have a mcversion annotation it may cause issues with this version of minecraft i have tried absolutely everything possible on the internet, please help me.