"Sorry, something went wrong" error when you try to update, remove, or add a Send To connection
Consider the following scenario:
In Microsoft Office 365, you browse to the SharePoint Online admin center and then click records management.
You have many connections in the Send To Connections list configured.
You try to update, remove, or add a connection.
If you're trying to add a connection, you already verified the Send To URL field by clicking Click here to test, and you received a successful verification.
In this scenario, you receive the following error message:
Sorry, something went wrong
An unexpected error has occurred.
To resolve this issue, contact Office 365 technical support.
This is a known issue in Microsoft SharePoint Online when a large number of Send To connections are present.
Still need help? Go to Microsoft Community.