منتدى استراحات زايد

hello all,, I have trouble in admincp vbulletin 5
message error is

Fatal error: Uncaught exception 'Exception' with message 'Got a packet bigger than 'max_allowed_packet' bytes' in /home/tensecon/public_html/core/vb/db/query/update.php:120 Stack trace: #0 /home/tensecon/public_html/core/vb/db/query/update.php(101): vB_dB_Query_Update->doUpdates() #1 /home/tensecon/public_html/core/vb/db/assertor.php(263): vB_dB_Query_Update->execSQL() #2 /home/tensecon/public_html/core/vb/db/assertor.php(469): vB_dB_Assertor->assertQuery('cache', Array) #3 /home/tensecon/public_html/core/vb/cache/db.php(103): vB_dB_Assertor->update('cache', Array, Array) #4 /home/tensecon/public_html/core/vb/cache.php(247): vB_Cache_Db->writeCache(Object(vB_CacheObject)) #5 /home/tensecon/public_html/core/includes/functions.php(5359): vB_Cache->write('vB_ChannelStruc...', Array, 1440, 'vB_ChannelStruc...') #6 /home/tensecon/public_html/core/awakpo/global.php(55): cache_permissions(Array) #7 /home/tensecon/public_html/core/awakpo/verify.php(25): require_once('/home/tensecon/...') #8 {main} thrown in/home/tensecon/public_html/core/vb/db/query/update.php on line 120

anyone can help me ????