When opening statistics tab in datalynx the error is shown when no end date is set

[dasistwas]

Fehler beim Lesen der Datenbank

[Weitere Informationen über diesen Fehler](http://docs.moodle.org/311/de/error/moodle/dmlreadexception)
Debug-Info:  FEHLER: ungültige Eingabesyntax für Typ bigint: »9.2233720368549E+18«
SELECT COUNT(de.id)
FROM mdl_datalynx_entries de
WHERE de.dataid = $1
AND de.timecreated > $2
AND de.timecreated < $3
[array (
0 => '2',
1 => 1123624800,
2 => 9.2233720368548618E+18,
)]
Error code: dmlreadexception
Stack trace: 

    line 486 of /lib/dml/moodle_database.php: dml_read_exception thrown
    line 293 of /lib/dml/moodle_read_slave_trait.php: call to moodle_database->query_end()
    line 338 of /lib/dml/pgsql_native_moodle_database.php: call to pgsql_native_moodle_database->read_slave_query_end()
    line 986 of /lib/dml/pgsql_native_moodle_database.php: call to pgsql_native_moodle_database->query_end()
    line 1671 of /lib/dml/moodle_database.php: call to pgsql_native_moodle_database->get_records_sql()
    line 1744 of /lib/dml/moodle_database.php: call to moodle_database->get_record_sql()
    line 194 of /mod/datalynx/statistics/statistics_class.php: call to moodle_database->get_field_sql()
    line 101 of /mod/datalynx/statistics/statistics_class.php: call to datalynx_statistics_class->get_count()
    line 73 of /mod/datalynx/statistics/index.php: call to datalynx_statistics_class->print_statistics()

Screenshot: