I have encountered similar problems. You need to log in as a user with permissions. Sometimes you can also log in as an anonymous user. Therefore, you need to check who you are logged in as and what permissions you have.
It would help even more if you could provide your code.
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I have encountered similar problems. You need to log in as a user with permissions. Sometimes you can also log in as an anonymous user. Therefore, you need to check who you are logged in as and what permissions you have. It would help even more if you could provide your code.