Can someone help me, the automatic installation is not working.
I installed ProjeQtor on a Raspberry pi 4 on apache (php 7.1).
When I try to load the new update automatically or manually, I get the following error:

2020-11-21 15:32:51.722 ** ERROR ** [V8.6.4] EXCEPTION **
2020-11-21 15:32:51.722 ** ERROR ** [V8.6.4] on file '/var/www/html/projeqtor/plugin/installAuto/installAutoZipList.php' at line (100)
2020-11-21 15:32:51.722 ** ERROR ** [V8.6.4] cause = Call to undefined function curl_init()
2020-11-21 15:32:51.722 ** ERROR ***** [V8.6.4]    => #0 /var/www/html/projeqtor/plugin/installAuto/installAutoDownload.php (36) -> getFileInfo()

Does anyone know where this problem comes from and how to solve it?