Shorten error on index.php ( shorten serveur )

HI every body,
I know shorten is not an official app, but it seems to work … but not for me :disappointed_relieved:
I did follow instructions on github but on my “shorten serveur” , I have php error in apache.log
"[Tue Jan 24 18:28:11.971541 2017] [:error] [pid 23603] [client 192.168.99.1:55729] PHP 1. {main}() /var/www/html/short/s/index.php:0
[Tue Jan 24 18:28:11.971584 2017] [:error] [pid 23603] [client 192.168.99.1:55729] PHP 2. feof() /var/www/html/short/s/index.php:39
[Tue Jan 24 18:28:11.971642 2017] [:error] [pid 23603] [client 192.168.99.1:55729] PHP Warning: feof() expects parameter 1 to be resource, boolean given in /var/www/html/short/s/index.php on line 39
[Tue Jan 24 18:28:11.971685 2017] [:error] [pid 23603] [client 192.168.99.1:55729] PHP Stack trace:
[Tue Jan 24 18:28:11.971738 2017] [:error] [pid 23603] [client 192.168.99.1:55729] PHP 1. {main}() /var/www/html/short/s/index.php:0
[Tue Jan 24 18:28:11.971781 2017] [:error] [pid 23603] [client 192.168.99.1:55729] PHP 2. feof() /var/www/html/short/s/index.php:39
[Tue Jan 24 18:28:11.971838 2017] [:error] [pid 23603] [client 192.168.99.1:55729] PHP Warning: feof() expects parameter 1 to be resource, boolean given in /var/www/html/short/s/index.php on line 39
[Tue Jan 24 18:28:11.971881 2017] [:error] [pid 23603] [client 192.168.99.1:55729] PHP Stack trace:"

and so on …

Can someone help me ?
It seems it’s not working with yourls , does someone use it with Polr ? before installing one or te other, I woud be glad to read it works :wink:

THan kyou ( and excuse for my poor english )