"Cannot create an Unstructured Data transformation" before even starting the actual execution of the mapping. Indicates some DT validation is failed and causing the error. Check UDTNotation .log for more information.
1) Check Heirarchial Schema File
2) Check the Input Json (Whether you are passing as File or Buffer)
Hi Srini ,
Would it be possible for you to upload sample source file here? We would like to test it at our end with the file of same metadata structure and get back.