SQLSTATE[HY000]: General error: 2006 MySQL server has gone away: SELECT "base_table"."fid" AS "fid", "base_table"."fid" AS "base_table_fid" FROM "file_managed" "base_table" INNER JOIN "file_managed" "file_managed" ON "file_managed"."fid" = "base_table"."fid" WHERE "file_managed"."uuid" IN (:db_condition_placeholder_0); Array ( [:db_condition_placeholder_0] => 0c6b37f6-471c-401c-aa37-df71b481c563 )