/opt/apache-tomcat-7.0.68/webapps/cisg/wp-includes/Requests/Transport/cURL.php:181: Warning: Callable: '' is not a valid callable argument [curl_setopt] /opt/apache-tomcat-7.0.68/webapps/cisg/wp-includes/Requests/Transport/cURL.php:182: Warning: Callable: '' is not a valid callable argument [curl_setopt] CISG Sponsored Sessions in AAG – AAG Cyberinfrastructure Specialty Group