CAST_TO_FILE_TYPE error condition
Cannot CAST <sourceType> to FILE.
DUPLICATE_FIELD
Source contains a duplicate FILE field <fieldName>.
FROM_FILE
Casting between FILE types is not allowed.
MANAGED_TARGET
FILE MANAGED targets cannot be constructed via CAST. Use FILE or FILE EXTERNAL.
NON_VOLUME_PATH
The path <path> is not a Volume location. FILE values must reference a Volume.
NULL_URI
The source value is missing the required uri field or it is NULL.