Name the tool or area, the action, and the visible outcome. “CSV import shifts columns when a quoted field contains a comma” helps the right reader recognize the issue; “Help, broken” does not.
Keep the title short enough to scan without dropping the key condition. Avoid asserting an unverified cause: “Database outage” may mislead if all you know is that a page timed out. Put environment details and reproduction steps in the body. A searchable title helps future readers find the eventual solution.
When the issue is resolved, keep the title accurate rather than rewriting it as a vague success message.