[SOLVED] New Meeting : no time sélection possible

I'll check. I'll keep you posted !!

Hello, the ALTER command has solved the issue.
Here is the DESC of the 'meeting' table before the ALTER command :

MariaDB [projeqtor]> DESC meeting;
+----------------------+------------------+------+-----+---------+----------------+
| Field                | Type             | Null | Key | Default | Extra          |
+----------------------+------------------+------+-----+---------+----------------+
| id                   | int(12) unsigned | NO   | PRI | NULL    | auto_increment |
| idProject            | int(12) unsigned | YES  | MUL | NULL    |                |
| idMeetingType        | int(12) unsigned | YES  | MUL | NULL    |                |
| meetingDate          | date             | YES  |     | NULL    |                |
| name                 | varchar(100)     | YES  |     | NULL    |                |
| attendees            | varchar(4000)    | YES  |     | NULL    |                |
| idUser               | int(12) unsigned | YES  | MUL | NULL    |                |
| sendTo               | varchar(4000)    | YES  |     | NULL    |                |
| idStatus             | int(12) unsigned | YES  | MUL | NULL    |                |
| idResource           | int(12) unsigned | YES  | MUL | NULL    |                |
| result               | mediumtext       | YES  |     | NULL    |                |
| idle                 | int(1) unsigned  | YES  |     | 0       |                |
| idleDate             | date             | YES  |     | NULL    |                |
| handled              | int(1) unsigned  | YES  |     | 0       |                |
| handledDate          | date             | YES  |     | NULL    |                |
| done                 | int(1) unsigned  | YES  |     | 0       |                |
| doneDate             | date             | YES  |     | NULL    |                |
| description          | mediumtext       | YES  |     | NULL    |                |
| reference            | varchar(100)     | YES  |     | NULL    |                |
| externalReference    | varchar(100)     | YES  |     | NULL    |                |
| idActivity           | int(12) unsigned | YES  |     | NULL    |                |
| idPeriodicMeeting    | int(12) unsigned | YES  | MUL | NULL    |                |
| isPeriodic           | int(1) unsigned  | YES  |     | 0       |                |
| periodicOccurence    | int(3) unsigned  | YES  |     | NULL    |                |
| cancelled            | int(1) unsigned  | YES  |     | 0       |                |
| meetingStartDateTime | datetime         | YES  |     | NULL    |                |
| meetingEndDateTime   | datetime         | YES  |     | NULL    |                |
+----------------------+------------------+------+-----+---------+----------------+

And after the workaround : 

MariaDB [projeqtor]> DESC meeting;
+----------------------+------------------+------+-----+---------+----------------+
| Field                | Type             | Null | Key | Default | Extra          |
+----------------------+------------------+------+-----+---------+----------------+
| id                   | int(12) unsigned | NO   | PRI | NULL    | auto_increment |
| idProject            | int(12) unsigned | YES  | MUL | NULL    |                |
| idMeetingType        | int(12) unsigned | YES  | MUL | NULL    |                |
| meetingDate          | date             | YES  |     | NULL    |                |
| name                 | varchar(100)     | YES  |     | NULL    |                |
| attendees            | varchar(4000)    | YES  |     | NULL    |                |
| idUser               | int(12) unsigned | YES  | MUL | NULL    |                |
| sendTo               | varchar(4000)    | YES  |     | NULL    |                |
| idStatus             | int(12) unsigned | YES  | MUL | NULL    |                |
| idResource           | int(12) unsigned | YES  | MUL | NULL    |                |
| result               | mediumtext       | YES  |     | NULL    |                |
| idle                 | int(1) unsigned  | YES  |     | 0       |                |
| idleDate             | date             | YES  |     | NULL    |                |
| handled              | int(1) unsigned  | YES  |     | 0       |                |
| handledDate          | date             | YES  |     | NULL    |                |
| done                 | int(1) unsigned  | YES  |     | 0       |                |
| doneDate             | date             | YES  |     | NULL    |                |
| description          | mediumtext       | YES  |     | NULL    |                |
| reference            | varchar(100)     | YES  |     | NULL    |                |
| externalReference    | varchar(100)     | YES  |     | NULL    |                |
| idActivity           | int(12) unsigned | YES  |     | NULL    |                |
| idPeriodicMeeting    | int(12) unsigned | YES  | MUL | NULL    |                |
| isPeriodic           | int(1) unsigned  | YES  |     | 0       |                |
| periodicOccurence    | int(3) unsigned  | YES  |     | NULL    |                |
| cancelled            | int(1) unsigned  | YES  |     | 0       |                |
| meetingStartDateTime | datetime         | YES  |     | NULL    |                |
| meetingEndDateTime   | datetime         | YES  |     | NULL    |                |
| meetingStartTime     | time             | YES  |     | NULL    |                |
| meetingEndTime       | time             | YES  |     | NULL    |                |
| location             | varchar(100)     | YES  |     | NULL    |                |
+----------------------+------------------+------+-----+---------+----------------+
30 rows in set (0.00 sec)

Regards