Installation error on fresh system with the newest package.

URL: ./install/index.php?mode=install&sub=create_table

General Error
Index name 'test31_search_wordmatch_un_mtch' on table 'test31_search_wordmatch' is too long. The maximum is 30 characters.

BACKTRACE

FILE: (not given by php)
LINE: (not given by php)
CALL: msg_handler()

FILE: [ROOT]/phpbb/db/tools.php
LINE: 2119
CALL: trigger_error()

FILE: [ROOT]/phpbb/db/tools.php
LINE: 664
CALL: phpbb\db\tools->sql_create_unique_index()

FILE: [ROOT]/install/install_install.php
LINE: 1218
CALL: phpbb\db\tools->sql_create_table()

FILE: [ROOT]/install/install_install.php
LINE: 99
CALL: install_install->load_schema()

FILE: [ROOT]/install/index.php
LINE: 409
CALL: install_install->main()

FILE: [ROOT]/install/index.php
LINE: 289
CALL: module->load()