Platform: Windows
ISP: Storm
Type of Internet Connection: Wireless
Internet Connection Speed: 3Mbps
Date & Time: July 11, 2013
Frequency: Any time
Character Name: Kaisha
Race: Mithra
World: Asura
Main Job: Monk, Lv.99
Support Job: Thief
Area and Coordinates: Alzadaal
Party or Solo: Either
NPC Name: None
Monster Name: None
Steps:

1- Either be in the zone and try to invite someone from outside of the region, or be anywhere outside of the region trying to invite someone within it.

2- The invite button will be blanked out.