Hi ntoumba,
Thanks for the follow-up post.
Typically, user roles determine what can be accessed within the ledger file. If a user is set as an administrator for the file, they should have access to all its contents. I suggest removing all other roles and retaining only the administrator user role. This action will likely resolve your issue.
If you need further assistance, please provide more details about your concern, such as the function you are trying to add.
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Thanks,
Genreve