okay so here is the first line of the script
local Module = require(game.ReplicatedStorage.Tools)
and this is the error
18:48:49.702 - Attempted to call require with invalid argument(s).
18:48:49.702 - Stack Begin
18:48:49.703 - Script 'ServerScriptService.DataManager', Line 1
18:48:49.703 - Stack End
please help

2 comments
Are you sure you don't have anything else called Tools in ReplicatedStorage?
oh yeah i do thx