ErrorException: preg_match_all(): Passing null to parameter #2 ($subject) of type string is deprecated in /mnt/web123/c1/25/51662225/htdocs/crewxchange/vendor/sabre/dav/lib/Sabre/HTTP/DigestAuth.php:229
Stack trace:
#0 [internal function]: Baikal\Framework::exception_error_handler()
#1 /mnt/web123/c1/25/51662225/htdocs/crewxchange/vendor/sabre/dav/lib/Sabre/HTTP/DigestAuth.php(229): preg_match_all()
#2 /mnt/web123/c1/25/51662225/htdocs/crewxchange/vendor/sabre/dav/lib/Sabre/HTTP/DigestAuth.php(63): Sabre\HTTP\DigestAuth->parseDigest()
#3 /mnt/web123/c1/25/51662225/htdocs/crewxchange/vendor/sabre/dav/lib/Sabre/DAV/Auth/Backend/AbstractDigest.php(59): Sabre\HTTP\DigestAuth->init()
#4 /mnt/web123/c1/25/51662225/htdocs/crewxchange/vendor/sabre/dav/lib/Sabre/DAV/Auth/Plugin.php(108): Sabre\DAV\Auth\Backend\AbstractDigest->authenticate()
#5 [internal function]: Sabre\DAV\Auth\Plugin->beforeMethod()
#6 /mnt/web123/c1/25/51662225/htdocs/crewxchange/vendor/sabre/dav/lib/Sabre/DAV/Server.php(433): call_user_func_array()
#7 /mnt/web123/c1/25/51662225/htdocs/crewxchange/vendor/sabre/dav/lib/Sabre/DAV/Server.php(455): Sabre\DAV\Server->broadcastEvent()
#8 /mnt/web123/c1/25/51662225/htdocs/crewxchange/vendor/sabre/dav/lib/Sabre/DAV/Server.php(214): Sabre\DAV\Server->invokeMethod()
#9 /mnt/web123/c1/25/51662225/htdocs/crewxchange/card.php(75): Sabre\DAV\Server->exec()
#10 {main}