Solution : https://service.sap.com/sap/support/notes/1403135 (SAP Service marketplace login required)
Key words :
crm/isa/isacorechanged files, sp patch level attached, crm b2b webshop scenario, call function module crm_isa_invoice_detail_get, e-commerce / web channel, b2b standard scenario, terms internet sales, sap-shrjavdevelopment component, error message web_invoice 002, displaying invoices created
Related Notes :
1638428 | Runtime error when trying to view an invoice in B2B shop |