Call to a member function getUserId() on null

#0 /homepages/9/d300754889/htdocs/bsk_calendar_v3/webapp/includes/corps.php(4): include() #1 /homepages/9/d300754889/htdocs/bsk_calendar_v3/index.php(73): include('/homepages/9/d3...') #2 {main}object(Error)#11 (7) { ["message":protected]=> string(45) "Call to a member function getUserId() on null" ["string":"Error":private]=> string(0) "" ["code":protected]=> int(0) ["file":protected]=> string(71) "/homepages/9/d300754889/htdocs/bsk_calendar_v3/webapp/pages/accueil.php" ["line":protected]=> int(8) ["trace":"Error":private]=> array(2) { [0]=> array(3) { ["file"]=> string(72) "/homepages/9/d300754889/htdocs/bsk_calendar_v3/webapp/includes/corps.php" ["line"]=> int(4) ["function"]=> string(7) "include" } [1]=> array(4) { ["file"]=> string(56) "/homepages/9/d300754889/htdocs/bsk_calendar_v3/index.php" ["line"]=> int(73) ["args"]=> array(1) { [0]=> string(72) "/homepages/9/d300754889/htdocs/bsk_calendar_v3/webapp/includes/corps.php" } ["function"]=> string(7) "include" } } ["previous":"Error":private]=> NULL }