Warning:  [mysql error 2006] MySQL server has gone away

SELECT
    c.id,
    c.uppercats,
    count(*) AS counter
  FROM pi_image_category
    INNER JOIN pi_categories c ON category_id = id
  WHERE image_id IN (275334,275333,275332,275331,275330,275329,275328,275327,275326,275325,275324,275323,275322,275321,275320,275319,275318,275317,275316,275315,275314,275313,275312,275311,275310,275309,275308,275307,275306,275305,275304,275303,275302,275301,275300,275299,275298,275297,275296,275295,275294,275293,275292,275291,275290,275289,275288,275287,275286,275470,275469,275468,275467,275466,275465,275464,275463,275462,275461,275460,275459,275458,275457,275456,275455,275454,275453,275452,275451,275450,275449,275448,275447,275446,275445,275444,275443,275442,275441,275440,275439,275438,275437,275436,275435,275434,275433,275432,275431,275430,275429,275428,275427,275426,275425,275424,275423,275422,275421,275420,275419,275418,275417,275416,275415,275414,275413,275412,275411,275410,275409,275408,275407,275406,275405,275404,275403,275 in /htdocs/linth/pix/include/dblayer/functions_mysqli.inc.php on line 864

Warning:  [mysql error 2006] MySQL server has gone away

REPLACE INTO pi_sessions
  (id,data,expiration)
  VALUES('12CFiviigvkkb4f80vj2au34fkcq00','pwg_device|s:7:\"desktop\";pwg_mobile_theme|b:0;community_user_permissions|a:9:{s:20:\"upload_whole_gallery\";b:0;s:20:\"create_whole_gallery\";b:0;s:10:\"user_album\";b:0;s:17:\"create_categories\";a:0:{}s:17:\"upload_categories\";a:0:{}s:14:\"permission_ids\";a:0:{}s:9:\"nb_photos\";i:0;s:7:\"storage\";i:0;s:17:\"community_enabled\";b:0;}community_cache_key|s:20:\"Uz9leQzhPzGjSWp1t4NT\";community_user_id|s:1:\"2\";',now())
; in /htdocs/linth/pix/include/dblayer/functions_mysqli.inc.php on line 864