You have to make sure if you put in [noparse][center][indent][/noparse] that you put [noparse][/indent][/center][/noparse]

You have to align your closing tags in reverse order to the original order you entered them in the first place. So [1][2][3] becomes [/3][/2][/1].

[hider=1][list][*]All work and no play makes jack a dull boy.[/list][hider=2][h3]All Work and No Play Makes Jack a Dull Boy[/h3][hider=3][sub]All work and no play makes Jack a dull boy.[/sub][hider=4][center][indent]All work and no play makes Jack a dull boy.[/indent][/center][hider=5][@HeySeuss] is a poophead.[hider=6][hider=7][hider=8]You have to align your closing tags in reverse order to the original order you entered them in the first place. So [1][2][3] becomes [/3][/2][/1].
[hider=9][hider=10][hider=11][hider=12][hider=derpteen]Yep, looks like a misalignment to me. You might want to try BBCoding in discrete chunks rather than all at once to better keep track of the order you enter your tags in.[/hider][/hider][/hider][/hider][/hider][/hider][/hider][/hider][/hider][/hider][/hider][/hider][/hider]