If you are using SRL 4.0 Beta. FindObj3 was removed - hence why you are getting that error. These are the new FindObjects:
SCAR Code:
// » function FindObj(var cx, cy: Integer; Text: String; color, tolerance: Integer): Boolean; // * by Stupid3ooo
// » function FindObjCustom(var cx, cy: Integer; Text: TStringArray; Color: TIntegerArray; Tolerance: Integer): Boolean; // * Stupid3ooo and Starblaster100
// » function FindObjEx(var x, y: Integer; ObjText: String; x1, y1, x2, y2, Color, Tol, MinXDist, MinYDist, WaitPerCheck: Integer; Spiral: Boolean): Boolean; // * by RsN
// » function FindObjectDeformed(var ObjX, ObjY :integer; UpText1, UpText2: String; BMP, a, b, c, d: integer): Boolean; // * By WT-Fakawi