When trying to install quickmail on Moodle 2.3 I'm getting this error
"Invalid field definition in table

: XMLDB_TYPE_INTEGER field "alternateid" has invalid default"

Debug info:
Error code: codingerror
Stack trace:

line 454 of /lib/ddl/sql_generator.php: coding_exception thrown
line 306 of /lib/ddl/sql_generator.php: call to sql_generator->getFieldSQL()
line 126 of /lib/ddl/mysql_sql_generator.php: call to sql_generator->getCreateTableSQL()
line 248 of /lib/ddl/sql_generator.php: call to mysql_sql_generator->getCreateTableSQL()
line 401 of /lib/ddl/database_manager.php: call to sql_generator->getCreateStructureSQL()
line 356 of /lib/ddl/database_manager.php: call to database_manager->install_from_xmldb_structure()
line 779 of /lib/upgradelib.php: call to database_manager->install_from_xmldb_file()
line 360 of /lib/upgradelib.php: call to upgrade_plugins_blocks()
line 1524 of /lib/upgradelib.php: call to upgrade_plugins()
line 329 of /admin/index.php: call to upgrade_noncore()