I’ve never seen it, but it seems to have a problem with the conversion. Check the Names of the Objects (which will become column names) and make sure they don’t contain special characters.
What kind of data is it and are you saving as .txt, .csv, or .asc? (Changing the extension seems to change the way the data is saved).
-rm
“Invalid parameter in ISAM Engines section of the initialization setting. (3433)”