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I'm getting this ERROR:

General Error
SQL ERROR [ mysqli ]

Table 'keclcommunity.phpbb_flags' doesn't exist [1146]

SQL

SELECT * FROM phpbb_flags ORDER BY flag_id

BACKTRACE

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

FILE: [ROOT]/phpbb/db/driver/driver.php
LINE: 855
CALL: trigger_error()

FILE: [ROOT]/phpbb/db/driver/mysqli.php
LINE: 193
CALL: phpbb\db\driver\driver->sql_error()

FILE: [ROOT]/phpbb/db/driver/factory.php
LINE: 329
CALL: phpbb\db\driver\mysqli->sql_query()

FILE: [ROOT]/ext/rmcgirr83/nationalflags/core/nationalflags.php
LINE: 121
CALL: phpbb\db\driver\factory->sql_query()

FILE: [ROOT]/ext/rmcgirr83/nationalflags/event/listener.php
LINE: 144
CALL: rmcgirr83\nationalflags\core\nationalflags->cache_flags()

FILE: (not given by php)
LINE: (not given by php)
CALL: rmcgirr83\nationalflags\event\listener->user_setup()

FILE: [ROOT]/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/EventDispatcher.php
LINE: 158
CALL: call_user_func()

FILE: [ROOT]/vendor/symfony/event-dispatcher/Symfony/Component/EventDispatcher/EventDispatcher.php
LINE: 46
CALL: Symfony\Component\EventDispatcher\EventDispatcher->doDispatch()

FILE: [ROOT]/phpbb/event/dispatcher.php
LINE: 60
CALL: Symfony\Component\EventDispatcher\EventDispatcher->dispatch()

FILE: [ROOT]/phpbb/event/dispatcher.php
LINE: 46
CALL: phpbb\event\dispatcher->dispatch()

FILE: [ROOT]/phpbb/user.php
LINE: 184
CALL: phpbb\event\dispatcher->trigger_event()

FILE: [ROOT]/index.php
LINE: 29
CALL: phpbb\user->setup()

What should i do now??? everything i have created my forum everything is down...i cant do anything..
please give me a step by step help what i should do now to get my forum back, please!
You are my last hope -.-

One topic only please.
Closing, continue here: https://www.phpbb.com/customise/db/exte ... pic/162636