Hi RikkiNelson,
From your post, it appears you have been shared a SharePoint folder and you are an external user (i.e., either you are using a Microsoft account or a work or school account in Azure AD from another organization). When you try to access the shared folder after a week, it gives you an error and then you received a verification code but there’s no place the enter the code.
When users share with people outside the organization, an invitation is sent to the person in email, which contains a link to the shared item. When users share files or folders, recipients will be asked to enter a verification code if they have:
- A work or school account in Azure AD from another organization
- An email address that isn't a Microsoft account or a work or school account in Azure AD.
If the recipient has a work or school account, they only need to enter the code the first time. Then they will be added as a guest and can sign in with their organization's username and password.
If the recipient does not have a work or school account, they need to use a code each time they access the file or folder, and they are not added to your directory.
When the folder was shared, you must have received an email with the folder link that looks like the image below. Please check if clicking the link in the email, asks you to enter the verification code.
If you still get the error, try accessing the folder in a different browser or open the browser in InPrivate mode.
Also, make sure you have accepted the invitation to access the link with the same account the folder originally was shared with.
If you continue to get the same error, please contact the owner of the shared folder to verify of they have removed the shared access or made any change in the permission.
Let us know the status.
Kind regards,
Neha