End users get blank result from VC model calling an R/3 BAPI.

Hello everyone.
We have build a VC model calling a Z*BAPI that we built in the R/3 backend. Everything works fine through DEV and QAS. However in our production environment when an end user attempts to run the VC application and search for a record they get a blank table result. However if one of our core support team users runs the application it returns the search result successfully.
There are no authorizations on the BAPI itself.
I have tried to trap a security trace (ST01) in PRD but have not been able to capture a security trace for a failed attempt. There is no dump (ST22) and nothing in the sys log to indicate a problem (SM21).
Can someone tell me or point me to where I can determine all the authorizations an end user needs in order to run a VC model using a R/3 BAPI?
We are running on EP 7.0 and ECC 6.0.
Thanks,
-Jon

Hi Shay,
When you ask "Have you tried adding the user to the permission list?". Can you be more specific.
Are you talking about the medium level security zone permissions in System Administration -> Permissions -> Portal Permissions -> sap.com/NetWeaver.Portal/medium_safety
For the following objects in the medium_safety folder, assign End User permissions:
com.sap.vc.mmcompiler
com.sap.visualcomposer
com.sap.visualcomposer.portalconnector
If so we have set the permissions to the Authenticated User Group to be "none" and "end-user".
We have also assigned end user rights to the Everyone group to the following PCD folders...
Assign End User permissions to VC Role for the following content:
pcd:portal_content/templates/pages/portalpagetemplate
pcd:portal_content/templates/pages/wdProxyPage
pcd:portal_content/templates/layouts/fullWidth
pcd:portal_content/templates/iviews/wdProxyiView
It still does not work unless the person has content admin assigned. Is there any other permissions (ACLs, PCDs, security zones, etc.) that a person needs in order to use a VC model?
-Jon

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