I've got some Errors in Toon Boom Harmony Advanced

Hello There, im using Toon Boom for my Animatons
Yesterday Harmony is was working right, but then i’v got some errors
i don’t know why
error is like this:

The Following error occurred:

-Cannot open an empty project. Adding a default empty scene

-Error parsing auxiliary file C:/Users/****/Destop/My_Animation/Animation.aux error occurred parsing element at line 1, calumn

-Error parsing auxiliary file C:/Users//Destop/My_Animation/scene.versionTable error occurred while parsing element at line 1, column 1
-Syntax error at line 1:
Unrecognized attribute (<)
-Error parsing auxiliary file C:/Users/
/Destop/My_Animation/scene.versionTable error occurred while parsing element at line 1, column 1

Can some one help me please?
(please contact me as soon as possible)