tmp directory not found

[NealSmithCRGT]

When I run the automatic install my apache error log fills up with these statements...

[client x.x.x.14:51569] PHP Warning: file_put_contents(tmp/j5l2h5kqb71l8bo06vtscsjpsq.txt): failed to open stream: No such file or directory in /var/www/html/phplogin/install/instcomposer.php on line 50, referer: http://10.13.138.21/phplogin/install/install.php [Thu Aug 09 18:59:13.630848 2018] [php7:warn] [pid 1263] [client x.x.x.14:51569] PHP Warning: file_put_contents(tmp/j5l2h5kqb71l8bo06vtscsjpsq.txt): failed to open stream: No such file or directory in /var/www/html/phplogin/install/instcomposer.php on line 50, referer: http://10.13.138.21/phplogin/install/install.php [Thu Aug 09 18:59:13.630871 2018] [php7:warn] [pid 1263] [x.x.x.14:51569] PHP Warning: file_put_contents(tmp/j5l2h5kqb71l8bo06vtscsjpsq.txt): failed to open stream: No such file or directory in /var/www/html/phplogin/install/instcomposer.php on line 50, referer: http://10.13.138.21/phplogin/install/install.php