UnknownAstral

Error while running the chunk
  AstralOpen.lua:79: attempt to perform arithmetic on local `y' (a nil value)
  func: ?, ?, line: -1, defined: C, line: -1, [C]
    func: GetPercentage, global, line: 79, defined: Lua, line: 76, AstralOpen.lua
      func: AstralUnlockChanged, global, line: 110, defined: Lua, line: 104, AstralOpen.lua
        func: ?, ?, line: 53, defined: Lua, line: 39, unknownAstral.lua