Fix a fatal error that broke (re)moving topics.
Fix a fatal error that broke (re)moving topics.

Signed-off-by: Yoshi2889 <77953cd64cc4736aae27fa116356e02d2d97f7ce@gmail.com>

georaldc/SMF2.1,georaldc/SMF2.1,MustafaCan/SMF2.1,margarett/SMF2.1,margarett/SMF2.1,StealthWombat/SMF2.1-more-forkery,mkress/SMF2.1,mkress/SMF2.1,mkress/SMF2.1,MustafaCan/SMF2.1,StealthWombat/SMF2.1-more-forkery