Identifier: validation error: Relation of type Depends on::Used by does not exists in CMDBIssue PCF Pattern was failing with below error,Identifier: validation error: Relation of type Depends on::Used by does not exists in CMDB.CauseCustomisation on Relationship type in Pattern steps or missing relationship in rel_type table..!!Resolution1. Open the PCF pattern identification. 2. Open the Debug more view. 3. Check if somehow the Pattern Step-29 does not contain the relationship type Depends on::Used by per OOTB. See below. If the option is disabled or modified then need to revert this back to OOTB to make it work. 4. Please make sure, to sync the Pattern with Midserver.