Thank you, Claudio Pasolini. Unfortunately, same error after the change and a restart:
no access to pool: "pool4,pool5,pool6"
while executing
"ns_db gethandle $pool"
invoked from within
"db_with_handle -dbn $dbn db {
set selection [db_exec select $db $full_statement_name $sql]
set result [list]
while { [db_getro..."
(procedure "db_list" line 23)
invoked from within
"db_list -dbn other1 get_
...