for issue facing issue while error

1. 403 Forbidden – SAP System
Integration
Common Causes & Fixes

2. Root Causes
• - Wrong or missing authentication
• - Missing authorizations
• - SICF service inactive
• - IP/CORS/Firewall block
• - SSL or certificate issue
• - Wrong endpoint URL
• - Missing CSRF token

3. Fix Steps
• - Verify credentials & unlock user
• - Check SU53 & ST01 for missing
authorizations
• - Activate service in SICF
• - Whitelist source IP in firewall
• - Import certificates in STRUST
• - Validate endpoint URL & ports
• - Fetch CSRF token for POST/PUT/DELETE