Hello Jw231,
Thank you for posting your query on Microsoft Q&A.
It appears that you are having trouble with Microsoft Sentinel Data Connectors not loading. Two potential causes are indicated by the errors as based on screenshots
Unexpected Error: Microsoft Sentinel may be experiencing a brief problem. Try using a different browser or network, reloading the page, or cleaning the cache on your browser. Unauthorized Action: This indicates that you do not have the required authorization to access or configure data connectors in your account. Make sure you have the necessary rights for Microsoft Sentinel https://learn.microsoft.com/en-us/azure/sentinel/roles
1.Microsoft Sentinel Contributor
2.Microsoft Sentinel Reader (for viewing)
3.Log Analytics Contributor (for managing logs)
If you are using a CSP (Cloud Solution Provider) account, check with your administrator to confirm that your role includes Sentinel permissions.
https://learn.microsoft.com/en-us/azure/sentinel/connect-data-sources?source=recommendations&tabs=azure-portal
I hope this clarifies things.