LLD rule error tooltip displays all errors in a single line

mysql> select key_,error from items where itemid=23672;
+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| key_            | error                                                                                                                                                |
+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------+
| utrap.discovery | Cannot update trigger: name is empty.
Cannot update trigger: name is empty.
Cannot update graph: name is empty.
Cannot update graph: name is empty.
 |
+-----------------+------------------------------------------------------------------------------------------------------------------------------------------------------+