خطا موقع ایمپورت کردن دیتابیس

[bahadori.embi]

سلام
وقتی میخوام دیتابیسم رو توی phpmyadmin ایمپورت کنم این خطا نمایش داده میشه :

 SET FOREIGN_KEY_CHECKS = ON;

MySQL said: Documentation
#2006 - MySQL server has gone away

و این هشدار :

Warning in ./libraries/dbi/DBIMysqli.php#257
Error while sending QUERY packet. PID=13777

Backtrace

./libraries/dbi/DBIMysqli.php#257: mysqli_query(
object,
string 'mysqldump: Error 2013: Lost connection to MySQL server during query when dumping table `filedata` at row: 47',
integer 0,
)
./libraries/DatabaseInterface.php#240: PMA\libraries\dbi\DBIMysqli->realQuery(
string 'mysqldump: Error 2013: Lost connection to MySQL server during query when dumping table `filedata` at row: 47',
object,
integer 0,
)
./libraries/import.lib.php#83: PMA\libraries\DatabaseInterface->tryQuery(string 'mysqldump: Error 2013: Lost connection to MySQL server during query when dumping table `filedata` at row: 47')
./libraries/import.lib.php#254: PMA_executeQuery(
string 'mysqldump: Error 2013: Lost connection to MySQL server during query when dumping table `filedata` at row: 47',
string 'mysqldump: Error 2013: Lost connection to MySQL server during query when dumping table `filedata` at row: 47',
array,
)
./libraries/plugins/import/ImportSql.php#170: PMA_importRunQuery(
string '',
string '',
array,
)
./import.php#635: PMA\libraries\plugins\import\ImportSql->doImport(array)

راه حل چیه ؟