You cannot use FastLoad, MultiLoad, or Teradata Parallel Transporter to load data into base tables that have enabled triggers. Otherwise, the system returns an error message and the loading process aborts.
You can load data into the base tables if you first disable all triggers on those tables using the ALTER TRIGGER statement and then run the appropriate data loading utility. See Teradata Vantage™ - SQL Data Definition Language Syntax and Examples, B035-1144.
You can then reenable the disabled triggers after the data loading operation completes.
Load utilities like TPump that perform standard SQL inserts and updates can update tables that have enabled triggers.