2895849 - Error 'Internal error in communication between configuration and sales doc.GET_CONFIG_MODE' (V1 854) when a Sales Document is being opened in Change Mode - SAP S/4HANA Cloud Public Edition

When a sales document is being opened via Fiori App 'Change Sales Documents' or the change action from Fiori App 'Manage Sales Quotations', the following error occurs.

• Internal error in communication between configuration and sales doc.GET_CONFIG_MODE (V1 854) 

SAP S/4HANA Cloud Public Edition

VBAP-CUOBJ, GET_CONFIG_MODE, GET_CURRENT_CBASE_BY_INSTANCE, CL_CBASE, V1 854, VA02, VA22, Change Sales Document, Manage Sales Quotations , KBA , LO-VC , Variant Configuration , SD-SLS-GF-VA , Bill Of Material (BOM) & Variant Configuration , SD-SLS-QUT , Inquiries / Quotations , LO-VC-2CL , Variant Configuration (Public Cloud) , Problem