Cloud Data Integration Connectors All Products
When you import a Google Cloud Storage object in JSON format and the file contains more than 400 rows, the mapping fails. (February 2021)
Metadata import fails in the following scenarios:
When you create a Google Cloud Storage target object at runtime of Avro or Parquet format and specify a file name that is already available within the same folder in the Google Cloud Storage bucket, the mapping fails.
Google ticket reference number: 19729497/135418538