Login Problems

[Dawn]

Hi! I'm new to this server and I registered but when I went to go login, it says that my Login ID is incorrect?
I've logged onto the website using my account and it worked perfectly fine, but when I'm trying to log into the game, it simply doesn't work!
Can anybody explain to me how to fix this? Thanks! 

[SunRaine]

make a new one x)

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also welcome ! :3

[dankbud]

Hi! I'm new to this server and I registered but when I went to go login, it says that my Login ID is incorrect?
I've logged onto the website using my account and it worked perfectly fine, but when I'm trying to log into the game, it simply doesn't work!
Can anybody explain to me how to fix this? Thanks! 

Probably don't need help anymore but i believe the reason you cant login ingame is because maplestory has a preset limit to password length. So if you make your password longer than the preset limit it will automatically be determined as incorrect, even if its the right password. Not 100% sure, but i think the preset limit is 12 characters.

[Anime]

This is some deep stuff, but generally it means what it means o.o'