error when hovering over currency on info line

[glofiondial]

love the ui.

this happens from time to time and i have to do a reinstall. any idea what may be causing it? here's the error:

4x nibRealUI-8.0 r31\Modules\InfoLine.lua:742: attempt to compare nil with number
nibRealUI-8.0 r31\Modules\InfoLine.lua:742: in function <nibRealUI\Modules\InfoLine.lua:738>
<in C code>
nibRealUI-8.0 r31\Modules\InfoLine.lua:1302: in function <nibRealUI\Modules\InfoLine.lua:1233>
nibRealUI-8.0 r31\Modules\InfoLine.lua:1711: in function "runChildren"
Libs\Libs\TabletLib\Tablet-2.0\Tablet-2.0-90216.lua:2367: in function "children"
Libs\Libs\TabletLib\Tablet-2.0\Tablet-2.0-90216.lua:2413: in function "Open"
nibRealUI-8.0 r31\Modules\InfoLine.lua:1732: in function <nibRealUI\Modules\InfoLine.lua:1706>
nibRealUI-8.0 r31\Modules\InfoLine.lua:3491: in function "OnEnter"
nibRealUI-8.0 r31\Modules\InfoLine.lua:3742: in function <nibRealUI\Modules\InfoLine.lua:3742>
Libs\Libs\TabletLib\Tablet-2.0\Tablet-2.0-90216.lua:2540: in function <Libs\Libs\TabletLib\Tablet-2.0\Tablet-2.0.lua:2538>

Locals:
(*temporary) = <table> {
1 = <table> {
}
2 = <table> {
}
}
(*temporary) = <function> defined @Interface\AddOns\nibRealUI\Modules\InfoLine.lua:738
(*temporary) = <table> {
1 = "|cffff7c0aVoododruid|r"
2 = 61
3 = 11850732
4 = 111
5 = "0"
6 = 3643
7 = "0"
8 = 0
9 = 0
10 = 0
11 = "25/08"
12 = "Voododruid"
13 = 111
14 = 0
15 = 3643
16 = 0
}
(*temporary) = <table> {
1 = "|cff0070ddHarebrained|r"
3 = 2200563
4 = 0
5 = "0"
6 = 1410
7 = "0"
8 = 0
9 = 0
10 = 0
11 = "20/08"
12 = "Harebrained"
13 = 0
14 = 0
15 = 1410
16 = 0
}

thanks!!