composer install is not working in cronjob environment

current_domain_path="/home/acc40/public_html" cpanel_user="acc40" echo $current_domain_path echo $cpanel_user cd $current_domain_path cd $current_domain_path; /opt/cpanel/composer/bin/composer install
*/2 * * * * bash /customscript/installation_v2/run.sh
Test - Passed Go to terminal and execute SH file . its success Test -failed I setup every 15 min cronjob, and run this sh file . it doesn't work. Please helpe me to resolve this problem