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Error SM59 alias with NWBC HTML

Hi

I'm implementing SRM 7.02 with NWBC for HTML.

I've made the followings configurations to use the portal:

-Activate the Portal-independent navigation frame in Customizing for SAP Supplier

Relationship Management

-Define an RFC connection of type H (HTTP) to the SAP ERP back-end system

-Enter the HTTP connection defined above, but without the suffix, in the Customizing activity

Define System Landscape in the System Alias for POWL Navigation field

-Activate the Internet Communication Framework (ICF) service /sap/bc/nwbc/srm in

transaction HTTP Service Hierarchy Maintenance (SICF). Use this service to start NetWeaver Business

Client (NWBC) for HTML.

Roles are also defined for users (with PFCG)

I can access the menu, but when i try to open any transaction that calls master data (supplier master data, material master data) i get an error.

This is clearly the case with data transactions, not so with the document transaction (SC, PO, IN).

This is the description of the error (from ST22)

"An exception occurred which is explained in detail below.

The exception, which is assigned to class 'CX_NWBC', was not caught and therebefore caused a runtime error.

The reason for the exception is:

For the role entry " " (Vendors ), the SM59 alias can't be resolved. Needed is at a minimum one type "3" definition ("SAP_ECC_PROCUREMENT" or "SAP_ECC_PROCUREMENT_RFC") and minimum one type "H" definition ("SAP_ECC_PROCUREMENT" or "SAP_ECC_PROCUREMENT_HTTP" or "SAP_ECC_PROCUREMENT_HTTPS")"

This happens with any role.

The RFC destination is configured for backend.

Any ideas? Please help me! Thanks!

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