Hello! When reindexing a table, PostgreSQL returns the following errors for two of its indexes: Index foo_idx1 on foo failed with error: failed to find parent tuple for heap-only tuple at (1162372,1) in table "foo" Index foo_idx2 on foo failed with error: failed to find parent tuple for heap-only tuple at (1162372,1) in table "foo" When trying to show the tuple, there is another error message: SET enable_indexscan = OFF; SET enable_tidscan = OFF; SELECT ctid, xmin, xmax, * FROM sf.dir_current_part_8 WHERE ctid = '(1162372,1)'; ERROR: cache lookup failed for type 1769235301 Searching for oid=1769235301 in pg_class, pg_type, pg_namespace and pg_proc returned no results. It appears to be data corruption. It's PostgreSQL 13 and unfortunately, data_checksums are turned off. I would appreciate any suggestions for troubleshooting this issue. -- Marcin Barczyński
