Notion relation

hello everyone, i am having a trouble with a rollup in notion, this rollup display well in notion but when i get it with make the relation of this rollup is empty, hope that some one have had the same trouble?

Hi, as a first troubleshooting mechanism, you could double-check that the connection (bot) has access to the “LISTE DES CLIENTS” database - and if not, add the connection to the database from the three dots at the top right corner > Connections