When i choose to close the reports, i receive that error:

SQL ERROR [ mysqli ]

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 3 [1064]

SQL

UPDATE phpbb_topics SET topic_reported = 0 WHERE topic_id IN ()

BACKTRACE

FILE: includes/db/mysqli.php
LINE: 110
CALL: dbal->sql_error()

FILE: includes/mcp/mcp_reports.php
LINE: 452
CALL: dbal_mysqli->sql_query()

FILE: includes/mcp/mcp_reports.php
LINE: 51
CALL: close_report()

FILE: includes/functions_module.php
LINE: 354
CALL: mcp_reports->main()

FILE: mcp.php
LINE: 216
CALL: p_master->load_active()

After i deleted all files from folder /cache/ excepted .htaccess, the close reports work fine.

Sorry for my bad englis !