In this blog post, let’s learn about the error message “381 Cannot grant to someone who has granted you the same privilege before.” in Hydra and the description of the error.
Error Message
381 Cannot grant to someone who has granted you the same privilege before.
Error Details
The privilege you are trying to grant is one that was first granted to you WITH GRANT OPTION. The user who made that grant is among the list of users in this present statement. For security reasons, you may not do a reciprocal grant. Rewrite the statement leaving out the name of your original patron. To see a list of the users to whom you may not grant, query systabauth as follows:
SELECT grantor FROM systabauth WHERE grantee = USER