Installing in moodle 3.0 when adding a use stats block to dashboard I get the following error

[jrivastorres]

Debug info: ERROR: la columna «ue.id» debe aparecer en la cláusula GROUP BY o ser usada en una función de agregación
LINE 3: ue.id,
^

SELECT
ue.id,
MIN(timestart) as timestart
FROM
mdl_enrol e,
mdl_user_enrolments ue
WHERE

e.id = ue.enrolid AND
(ue.timeend = 0 OR ue.timeend > 1475507691)
AND userid = 2

[array (
)]
Error code: dmlreadexception
Stack trace:

line 443 of /lib/dml/moodle_database.php: dml_read_exception thrown
line 244 of /lib/dml/pgsql_native_moodle_database.php: call to moodle_database->query_end()
line 785 of /lib/dml/pgsql_native_moodle_database.php: call to pgsql_native_moodle_database->query_end()
line 1480 of /lib/dml/moodle_database.php: call to pgsql_native_moodle_database->get_records_sql()
line 120 of /blocks/use_stats/locallib.php: call to moodle_database->get_record_sql()
line 155 of /blocks/use_stats/block_use_stats.php: call to use_stats_extract_logs()
line 288 of /blocks/moodleblock.class.php: call to block_use_stats->get_content()
line 230 of /blocks/moodleblock.class.php: call to block_base->formatted_contents()
line 973 of /lib/blocklib.php: call to block_base->get_content_for_output()
line 1025 of /lib/blocklib.php: call to block_manager->create_block_contents()
line 476 of /lib/outputrenderers.php: call to block_manager->ensure_content_created()
line 39 of /theme/bootstrapbase/renderers/core_renderer.php: call to core_renderer->standard_head_html()
line 52 of /theme/clean/layout/columns3.php: call to theme_bootstrapbase_core_renderer->standard_head_html()
line 1018 of /lib/outputrenderers.php: call to include()
line 948 of /lib/outputrenderers.php: call to core_renderer->render_page_layout()
line 164 of /my/index.php: call to core_renderer->header()

This happens with postgressql 9.5 but doesn't happen with mysql 14.14.