What is the cause of a 403 error when connecting to a Microsoft List on C#?

A 403 error when connecting to a Microsoft List in C# typically indicates a permissions issue. Ensure that your application has the correct https://garagedoorrepairglenallen.net/how-do-you-wind-a-garage-door-spring-to-fix-common-problems/ permissions and that the user has access to the list. Verify that your authentication tokens or credentials are valid and properly configured. Check the API or resource permissions in Azure AD or SharePoint settings.