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 (157383,157386,157389,157392,157395,157398,157401,157404,157407,157411,157414,157417,157420,157423,157426,157429,157432,157435,157438,157441,157444,157447,157450,157453,157456,157459,157462,157465,157468,157471,157474,157477,157480,157483,157486,157489,157492,157495,157498,157501,157504,157507,157510,157513,157516,157519,157522,157525,157529,157532,157535,157538,157541,157544,157547,157550,157553,157556,157559,157562,157565,157568,157571,274542,274543,274544,274545,274546,274547,274548,274549,274550,274551,274552,274553,274554,274555,274556,274557,274558,274559,274560,274561,274562,274563,274564,274565,274566,274567,274568,274569,274570,274571,274572,274573,274574,274575,274576,274577,274578,274579,274580,274581,274582,274583,274584,274585,274586,274587,274588,274589,274590,274591,274592,274593,274594,274595,274 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('03E8dp64t2u8m6thb3p4k83l5fcbk1','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:\"LAALJiNANUo6XNcZDo0p\";community_user_id|s:1:\"2\";pwg_show_metadata|i:1;pwg_referer_image_id|s:6:\"233021\";',now())
; in /htdocs/linth/pix/include/dblayer/functions_mysqli.inc.php on line 864