2 Improved formatting
source | link

check your base url in civicrm.setting.phpcivicrm.setting.php file. May be you have added www in your URL and in your actual URL there is no www.

Example: If you site URL is http://example.comhttp://example.com then your base URL in civicrm.settings.phpcivicrm.settings.php must be

define( 'CIVICRM_UF_BASEURL' , 'http://exapmle.com/');define( 'CIVICRM_UF_BASEURL' , 'http://exapmle.com/');

Not

define( 'CIVICRM_UF_BASEURL' , 'http://www.exapmle.com/');define( 'CIVICRM_UF_BASEURL' , 'http://www.exapmle.com/');

check your base url in civicrm.setting.php file. May be you have added www in your URL and in your actual URL there is no www.

Example: If you site URL is http://example.com then your base URL in civicrm.settings.php must be

define( 'CIVICRM_UF_BASEURL' , 'http://exapmle.com/');

Not

define( 'CIVICRM_UF_BASEURL' , 'http://www.exapmle.com/');

check your base url in civicrm.setting.php file. May be you have added www in your URL and in your actual URL there is no www.

Example: If you site URL is http://example.com then your base URL in civicrm.settings.php must be

define( 'CIVICRM_UF_BASEURL' , 'http://exapmle.com/');

Not

define( 'CIVICRM_UF_BASEURL' , 'http://www.exapmle.com/');

1
source | link

check your base url in civicrm.setting.php file. May be you have added www in your URL and in your actual URL there is no www.

Example: If you site URL is http://example.com then your base URL in civicrm.settings.php must be

define( 'CIVICRM_UF_BASEURL' , 'http://exapmle.com/');

Not

define( 'CIVICRM_UF_BASEURL' , 'http://www.exapmle.com/');