[Help] Server down!!??

[medoronaldo96]

Hey all it's me again the noob who asks alot of questions
The problem now is that i got everything fixed except when i try to login it Says "Server Is Down" and i suspect something is wrong with my worlds.dat so i took a picture for it with hex and here it is attachments.
By the way the server name is BOHSENZO and im using ip address 127.0.0.1
Please Help.

[Edit] Okay I tried to replace delete the space boxes and entered new empty ones and i opened zero online and this happens (in the attachment)