nullchecks and remove the bufferlayer before adding a new one
nullchecks and remove the bufferlayer before adding a new one

flamingo-geocms/flamingo,flamingo-geocms/flamingo,flamingo-geocms/flamingo,B3Partners/flamingo,mvdstruijk/flamingo,mvdstruijk/flamingo,mvdstruijk/flamingo,B3Partners/flamingo,B3Partners/flamingo,B3Partners/flamingo,flamingo-geocms/flamingo,mvdstruijk/flamingo