Project started to malfunction

Hello something started happening to my project
Buttons are not showing the label, can?t login and it shows error (see images)
Already gre generated the source code and it doesnt work
When running the project it doesnt show the session variables, names etc

login_sc.PNG

bug_sc.jpeg

bug_sc2.jpeg

SOLVED
It was a language thing, i went to the project properties and clicked save in the locales tab and that was it