I added a pdf to My Content and then added the link in the Story Map. However, once I close the Story Map and reopen it, I receive an error that it has "expired" (see code below). Is there a property I need to set or am I missing something? Thanks
<?xml version="1.0" encoding="UTF-8"?>
-<Error>
<Code>AccessDenied</Code>
<Message>Request has expired<?Message>
<X-Amz-Expires>300</X-Amz-Expires>
<Expires>2016-09-12T17:22:42Z</ServerTime>
<RequestID>F89758C3383B6943</RequestID>
<HostId>ueeHI4NtxYPK5cVA/SyLdRnGR4Nkb+LR289VjeGm6rOZ/jmvRcdzODpqvcaw2I_JgqbLmxhg7B38=<?HostId?
</Error>