ContributionsMost RecentMost LikesSolutionsRe: CSV Formatter Error Hi @dimitri.hristovski, Unchecking the ‘pass through’ checkbox in the Mapper did the trick. Thanks for your help again. Best, Ishan Re: CSV Formatter Error Hi @dimitri.hristovski , Thanks for your response. ‘Summary File Data’ snap is snowflake execute and running a very simple select statement. As suggested I tried to add a mapper between “Summary File Data” and CSV formatter but still getting the same error. Adding more snapshots in the thread about the settings of each snap in the child pipeline. Thanks, Ishan CSV Formatter Error Hi, I am trying to create a CSV file by querying data from snowflake. I have a parent pipeline which is passing output file name & path as parameter to my child pipeline through pipeline execute. When I am validating the child pipeline, everything is working normal but when I am running the parent, I am getting below error on the child pipeline at CSV Formatter step. “Snap errors: {ruuid=58b7a2f5ba6d563aff5d73d9_8faf50a9-40dc-441e-9003-454d2c650b2d, reason=Input document should be a flattened map data, but found: LinkedHashMap, label=CSV Formatter, resolution=Please make sure the input document a flattened map data., failure=Cannot format CSV data}”. Below is the parent pipeline. Child Pipeline Please let me know if you need any further information and as always thanks for your help in advance. Solved