Oracle Error Message
SQL*Loader-00436: error converting GUID
Reason for the Error
The value of the field named in the message is used to populate the column named in the messsage. Because column is a Set ID or an Object ID, the field needs to be converted. This message indicates that there was a conversion error. If the field is a character field, then the conversion error could be caused by too many or too few haxeadecimal charactersI. Also, one or more of the characters in the field might not be a valid hexadecimal character. If the field contains RAW data, then either too many or to few bytes were specified for the field.
Solution
Fix the data and reload the row.