Call Customer Exist Enhancement (EXIST_SAPLRSAP_001) CMOD with 11310 records

Hello Experts,

Extraction from 2lis_11_vaitm is taking longer time even there are only few records. Normally it takes 2-3 mins but sometimes it takes 2-3 hrs to complete. Even once it take 12 hrs. there is no idoc stuck in SM58. I've attached job log screenshot from ECC.. Please can any body siggess why this is happening.. if someone else face some issue.