enable debug build

[saman_artorious]

I receive the following error when debugging. Can anyone tell me how to reset to the debugging mode?

This does not seem to be a "Debug" build.
Setting breakpoints by file name and line number may fail.

Section .debug_info: Not Found.
Section .debug_abbrev: Not Found.
Section .debug_line: Not Found.
Section .debug_str: Not Found.
Section .debug_loc: Not Found.
Section .debug_range: Not Found.
Section .gdb_index: Not Found.
Section .note.gnu.build-id: Found.
Section .gnu.hash: Found.
Section .gnu_debuglink: Not Found.