Do the below updates on Transformer Definition "SG-Meraki Devices" to fix this issue.   Step 1: Add IP Address 1 to the Serial Number  and Network Adapter rows where there is Lookup for Entity field value is empty (Related list: CMDB Integration Studio Entities) Step 2: Add Add IP Address 1 to all the rows where Entity field value is empty. (Related list: RTE Entity Fields)   Step 3: Make sure IP Address 1 is associated with tempToIP Address 1 (Related list: RTE Entity Mappings)   Step 4: Update Entity Mapping field with tempToIP Address 1 (Related list: RTE Field Mappings)     ... View more