When trying to open an attachment from a message in the Web-UI, the following error is shown on the screen:
Also if you check the HTTP access logs, HTTP/1.1 403 errors are returned on the time when the error was reproduced.
HANA Cloud Integration for Process Integration
You are not authorized to perform this operation MPL Attachment Message permission authorization group role , KBA , LOD-HCI-PI-ET-OP , Operations UI , LOD-HCI-PI , SAP Cloud Platform Integration , Problem
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