https://docs.oracle.com/en/cloud/paas/integration-cloud-service/icsug/creating-connections.html#GUID-085410CC-9BBE-4F4C-BEB7-8EDD1A9C7A1A Unlocking a Connection When a connection is in edit mode and the browser crashes, the connection becomes locked, which prevents it from being edited.
To unlock the connection:
1. Log in again as the same user who was editing the connection when the browser crashed, then log out.
For example, if you were logged in as icsdeveloper when the browser crashed, log in again as icsdeveloper, and log out. This action unlocks the connection.
or
1. Log in as a user with the Administrators role.
2. On the Oracle Integration Cloud Service home page, click the Connections diagram.
3. For the connection that is locked, click the menu at the far right, then select Unlock.