I crash when i open a world on almost all modpacks help?

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Coletastic555

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Jul 29, 2019
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I really need help im getting mad please help! (if this is the wrong fourm to post this in im sorry im new)

2013-05-11 09:19:48 [SEVERE] [ForgeModLoader] The ForgeModLoader state engine has become corrupted. Probably, a state was missed by and invalid modification to a base classForgeModLoader depends on. This is a critical error and not recoverable. Investigate any modifications to base classes outside ofForgeModLoader, especially Optifine, to see if there are fixes available.
 
if you have optifine installed it crashes FTB try it without optifine and if all else fails try doing a force update and also are you running a 32 bit system or a 64 bit system if 32 then try updating to a 64 bit operating system as is could not be dedicating enough memory to run the launcher in 32 bit sorry I could not be more help as iv not had this problem myself so I don't have experience in solving this issue