We have activated the new runtime via the checkbox "Use new runtime" for a package that uses a SFTP connection. This package is used to import data from a CSV-File on a MFT-Server to a Salesforce production organization. When the new runtime is not activated the import works. The following error pops-up when running the package while the new runtime is activated: "CSV file has invalid content or its structure does not correspond to the mapping defined in the package."
The configuration of the "Source Definition" in the Skyvia package for the CSV-file properties is attached-