Oracle® Database 11g / 12c / 18c error codes EXP-00001: data field truncation - column length=number, buffer size=number actual size=number
EXP-00001: data field truncation - column length=number, buffer size=number actual size=number
Oracle Error Code: EXP-00001
Cause: Export could not fit a column in the data buffer.
Action: Record the given size parameters and the accompanying messages and report this as an Export internal error to customer support. (Part of the table has been exported. Export will continue with the next table.)