Hey Christian Yembe
I guess the permissions issue in Azure. even though you created the account and subscription. To resolve this, you can grant yourself the necessary permissions, such as the Contributor role. lemme help you how
Go to Azure Portal and sign in with the account you used to create the subscription.
In the left-hand navigation pane, select the specific subscription you're working with.
Scroll down and find the "Access control (IAM)" section.
Click on "Add a role assignment" or "Add" and then "Add role assignment."
In the "Role" dropdown, select "Contributor."
Now Select the User, In the "Assign access to" field, choose your account by either searching for your name or entering your email address. Finally save it and its done.
For more info refer the below doc.
If this helps kindly accept the answer thanks much.