31.05.2015, 10:58
First of all, this is has nothing to do with 0.3.7 version. It's a scripting issue; thus it should've been posted in "Scripting Help" section.
Also GetFactionSlots returns the result as a string and you used in the command /factions %d specifier which is for integers. So change it to %s specifier.
Also GetFactionSlots returns the result as a string and you used in the command /factions %d specifier which is for integers. So change it to %s specifier.