WowAce

What steps will reproduce the problem?
1. Error occurs as soon as you log in or reload ui

What is the expected output? What do you see instead?
You get the lua error, you don't get tooltips mousing over the center icon and the options menu shows nothing besides the name of the addon.

What version of the product are you using?
v0.7 - the latest version

Do you have an error log of what happened?
Message: ..\AddOns\GridTooltip\GridTooltip.lua line 106:
   bad argument #1 to 'ipairs' (table expected, got nil)
Debug:
   [C]: ipairs()
   GridTooltip\GridTooltip.lua:106:
      GridTooltip\GridTooltip.lua:100

Please provide any additional information below.
line 106 is: local indicators = GridFrame.prototype.indicators
GridFrame.prototype appears to no longer have the indicators subtable.  I saw that there was an GridFrame.indicators so I tried that instead but I still didn't get tooltips and the options menu remains empty.