Bug: duplicate keys

database-obmbuildings_1  | 2021-07-06 10:07:31.130 UTC [11022] ERROR:  duplicate key value violates unique constraint "obm_buildings_pkey"
database-obmbuildings_1  | 2021-07-06 10:07:31.130 UTC [11022] DETAIL:  Key (osm_id)=(-12374639) already exists.
database-obmbuildings_1  | 2021-07-06 10:07:31.130 UTC [11022] STATEMENT:  INSERT INTO obm_buildings VALUES ( -12374639, '0103000020E61000000100000007000000004E576B4B16ECBFD024043264D04440004C5736DC14ECBFD82498976AD04440004C57BC0B14ECBFD824B4A76BD04440004B57C63E13ECBFD42408196AD04440004D57AB1B15ECBFCC247CCB61D04440004D572BE615ECBFD024686563D04440004E576B4B16ECBFD024043264D04440')```

Check on `komachi`: `dcl -f`

\cc @fd