@HariP17292143

 you’re using the exact Customer Service 24.1.x media that matches your platform patch level. Check the install guide for the required order: platform first, then industry foundations, then Customer Service base, then any industry-specific add-ons. Confirm all prerequisite rulesets and versions exist on the system (Application rule → Definitions → Built-on applications and Prerequisites). Re-run the import with “Update existing instances” enabled and “Continue on conflict” off so you actually see the first failing item. Open the import log (Configure → Application → Distribution → Import → View history) and note the first two hard errors, not the warnings. If the error is “missing ruleset/prerequisite,” install or unlock that ruleset version and re-import. If it’s “class not found” or “table does not exist,” run Optimize Schema to create missing tables, then re-import. If it’s “duplicate key/already exists,” clear that data instance or switch to merge/update mode and re-import only that RAP. After a successful import, run Revalidate and Save on the full application to fix broken rule dependencies. Then clear caches and restart the node or use System → Operations → Purge/Restart Listeners to refresh. Rebuild search indexes for Rules and Data to avoid “rule not found” at runtime. Run Customer Service post-upgrade tasks (any data transforms or activities the guide lists) if applicable. Open Guardrails → Configuration Checker and fix any red items that block rule resolution. Verify the application stack now points to the 24.1 built-on layers and that old 8.x rulesets aren’t locked in the stack. Smoke-test login, interaction portal load, and at least one service case. If errors persist, share the first failing rule name, ruleset, and the exact message from the import log; that pinpoints the missing pre-req or schema step.