SQL Error with metabase

[itestyoy]

Hi! When we started using Metabase 0.49.7, we began encountering an error with our queries. What does this error mean?

{
  "sql": "SELECT     tmp.TABLE_CAT,     tmp.TABLE_SCHEM,     tmp.TABLE_NAME,     tmp.NON_UNIQUE,     tmp.INDEX_QUALIFIER,     tmp.INDEX_NAME,     tmp.TYPE,     tmp.ORDINAL_POSITION,     trim(both '\"' from pg_catalog.pg_get_indexdef(tmp.CI_OID, tmp.ORDINAL_POSITION, false)) AS COLUMN_NAME,   CASE tmp.AM_NAME     WHEN 'btree' THEN CASE tmp.I_INDOPTION[tmp.ORDINAL_POSITION - 1] & 1::smallint       WHEN 1 THEN 'D'       ELSE 'A'     END     ELSE NULL   END AS ASC_OR_DESC,     tmp.CARDINALITY,     tmp.PAGES,     tmp.FILTER_CONDITION FROM (SELECT NULL AS TABLE_CAT, n.nspname AS TABLE_SCHEM,   ct.relname AS TABLE_NAME, NOT i.indisunique AS NON_UNIQUE,   NULL AS INDEX_QUALIFIER, ci.relname AS INDEX_NAME,   CASE i.indisclustered     WHEN true THEN 1    ELSE CASE am.amname       WHEN 'hash' THEN 2      ELSE 3    END   END AS TYPE,   (information_schema._pg_expandarray(i.indkey)).n AS ORDINAL_POSITION,   ci.reltuples AS CARDINALITY,   ci.relpages AS PAGES,   pg_catalog.pg_get_expr(i.indpred, i.indrelid) AS FILTER_CONDITION,   ci.oid AS CI_OID,   i.indoption AS I_INDOPTION,   am.amname AS AM_NAME FROM pg_catalog.pg_class ct   JOIN pg_catalog.pg_namespace n ON (ct.relnamespace = n.oid)   JOIN pg_catalog.pg_index i ON (ct.oid = i.indrelid)   JOIN pg_catalog.pg_class ci ON (ci.oid = i.indexrelid)   JOIN pg_catalog.pg_am am ON (ci.relam = am.oid) WHERE true  AND n.nspname = 'public' AND ct.relname = 'calendar') AS tmp ORDER BY NON_UNIQUE, TYPE, INDEX_NAME, ORDINAL_POSITION "
}

{
  "securityContext": {},
  "appName": "Metabase v0.49.7 [e5c35f15-2ae1-400d-b22a-f065f293da0a]",
  "protocol": "postgres",
  "apiType": "sql"
} 

Error during processing PostgreSQL message: CubeError: Error during planning: The expression to get an indexed field is only valid for `List` and `Struct` types, actual: Utf8

v0.35.22