Symptom
You can not add a link or file under Attachment tab in Project through External Application.
Environment
SAP Business ByDesign.
Reproducing the Issue
Using SOAP UI, Postman or any other external application, you are facing an error message when trying to update an existing Project's Attachment (with a link or a file) such as:
"Creating data not possible; creation disabled"
Cause
This functionality is currently not supported.
Resolution
Feel free to directly submit your request for this feature to the correct decision makers at SAP via Customer Influence.
The Customer Influence site, https://influence.sap.com, allows customers to log Improvement Requests themselves and have the ability to work directly with our technology and development group.
Keywords
Project; Attachment; External Application; Creating data not possible; creation disabled. , KBA , SRD-PRO-PMN , Project Management , Problem