i'm within the purple portal and there is a door in front of me, when i try to go through i get the message "The wooden door is locked by a magic spell"

My Coordinates are as follows

x:-3966.62980 (-3967) // c: -248 (1)
y: 108.000 (feet pos 109.620 eyes pos)
z: 996.23970 (996) // c: 62 (4)
f: 0 (SOUTH) / -0.07614136
lc: 127 b: Ocean bl: 11 sl:9 rl: 11
ws: 0.098, fs: 0.047, g:true, fl: 112[/b][/b]
[/b]
Hope you can help

Thanks londonboy2004