Nagios XI MySQL error

kernel.msgmnb = 131072000
kernel.msgmax = 131072000
kernel.shmmax = 4294967295
kernel.shmall = 268435456
NOTE: If prompted, enter the MySQL root password
Enter password: 
Enter password: 
ERROR 1819 (HY000) at line 3: Your password does not satisfy the current policy requirements
ERROR: Subcomponent 'ndoutils' installation failed - exiting.
Subcomponents installation failed - exiting
RESULT=1

===================
INSTALLATION ERROR!
===================

mysql> SHOW VARIABLES LIKE 'validate_password%';
+--------------------------------------+--------+
| Variable_name                        | Value  |
+--------------------------------------+--------+
| validate_password_check_user_name    | OFF    |
| validate_password_dictionary_file    |        |
| validate_password_length             | 6      |
| validate_password_mixed_case_count   | 0      |
| validate_password_number_count       | 1      |
| validate_password_policy             | MEDIUM |
| validate_password_special_char_count | 0      |
+--------------------------------------+--------+
7 rows in set (0,01 sec)