Add error messages

[The-Account]

Error messages for adding empty skills or werte.

[The-Account]

And a warning if you want to change the template and would loose your progress that way.

[The-Account]

And error Message for saving a Character with the wrong amount of points used or no name

[The-Account]

Splendid, Splendid. Maybe one should be able to force a character with the wrong number of points.