Qt creator suddenly stopped to show debug info

[ankit thakar]

Suddenly, My QT creator stopped to shoe debugging info. I don't know what was happened?
I am using cdb.exe as a debugger. while debugging it is showing me error message no debug info found. Can anyone help me?

[Hamed.Masafi]

does your project (clean&compile)ed in debug mode?

[ankit thakar]

yes it does