Incremental View Maintenance: ERROR: out of shared memory

Hello
here is an unexpected error found while testing IVM v11 patches

create table b1 (id integer, x numeric(10,3));
create incremental materialized view mv1
as select id, count(*),sum(x) from b1 group by id;

do $$
declare
i integer;
begin
for i in 1..10000
loop
insert into b1 values (1,1);
end loop;
end;
$$
;

ERROR: out of shared memory
HINT: You might need to increase max_locks_per_transaction.
CONTEXT: SQL statement "DROP TABLE pg_temp_3.pg_temp_66154"
SQL statement "insert into b1 values (1,1)"
PL/pgSQL function inline_code_block line 1 at SQL statement

Regards
PAscal

--
Sent from: https://www.postgresql-archive.org/PostgreSQL-hackers-f1928748.html