This error messages shows up with the Application Container Cloud Service (ACCS) if you did not set the replication policy for the Oracle Storage Cloud Service. Actually I remember that there was a time when the solution how to fix the issue was not included.
Now we are better off, just read the documentation included in the error message link, or see below:
Should this happen? Here is my take (in progress).
Good news is, that you can fix it easily by setting the replication policy for the Storage Service.