Error importing csv file

[Ciara Mo]

Please help fix the below error while I was importing the csv file into the database! Thank you!

Starting...
Prepare Import...
Prepare Import done
Import data file....

Traceback (most recent call last):
File "C:\Program Files\MySQL\MySQL Workbench 6.3 CE\workbench\wizard_progress_page_widget.py", line 192, in thread_work
self.func()
File "C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules\sqlide_power_import_wizard.py", line 125, in start_import
retval = self.module.start(self.stop)
File "C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules\sqlide_power_import_export_be.py", line 271, in start
ret = self.start_import()
File "C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules\sqlide_power_import_export_be.py", line 408, in start_import
if not self.prepare_new_table():
File "C:\Program Files\MySQL\MySQL Workbench 6.3 CE\modules\sqlide_power_import_export_be.py", line 237, in prepare_new_table
self._editor.executeManagementCommand(""" CREATE TABLE %s (%s)""" % (self._table_w_prefix, ", ".join(["`%s` %s" % (col['name'], col["type"]) for col in self._mapping])), 1)
DBError: ("Incorrect column name 'Last Name '", 1166)
ERROR: Import data file: ("Incorrect column name 'Last Name '", 1166)
Failed