When Incremental and Full CIL is throwing an error

Error in Incremental CIL

1. Model Store DB  restore to previously taken back up. (NOTE: This step must only be done if Step 2,3,4,5 doesn't work)
2. sysxppasembly table data delete from SQL.
3. Delete .auc and .kti file from C >> users
4. AOS restart.
5. FULL CIL and Incremental IL