The source qualifier instance <Source Qualifier name> contains the datatype msg, which is incompatible with a TIB/Adapter SDK connection.
A field in the source definition contains the datatype msg. This datatype is incompatible with the TIB/Adapter SDK application connection. As a result, the session failed.
Remove any fields in the source definition with the datatype msg. To include the message metadata in this field, add the metadata as separate columns in the source definition.