The term "irj portal" typically identifies an SAP NetWeaver Portal environment, which STIB-MIVB uses for professional services such as its Business Portal and internal HR or process management tools. STIB - MIVB Key Portals and Access Points

| Error Message | Likely Cause | Solution | |---------------|----------------|----------| | HTTP 403 – Forbidden | Patch changed IP whitelist | Contact IT to add your IP/VPN range | | /irj/portal not found | Endpoint deprecated | Try /portal or /sap/portal | | SAP Logon Ticket invalid | SSO patch broke ticket validation | Clear cookies, re-authenticate | | Java Exception: com.sap.engine... | Portal patch incomplete | Report to STIB/MIVB portal team | https portail stib mivb be irj portal patched