Any time we try to upload images to a client site where we use FPSS, we get an error that says "This is not an image file", and the following lines are found in the server's error_log:
[Mon Aug 18 11:54:52 2014] [warn] [client 50.72.22.238] mod_fcgid: stderr: PHP Warning: preg_match(): Compilation failed: invalid range in character class at offset 7 in /var/www/vhosts/example.org/httpdocs/administrator/components/com_fpss/lib/class.upload.php on line 2910, referer: http://example.org/administrator/index.php?option=com_fpss&view=slide
[Mon Aug 18 11:54:52 2014] [warn] [client 50.72.22.238] mod_fcgid: stderr: PHP Warning: preg_match(): Compilation failed: invalid range in character class at offset 7 in /var/www/vhosts/example.org/httpdocs/administrator/components/com_fpss/lib/class.upload.php on line 2950, referer: http://example.org/administrator/index.php?option=com_fpss&view=slide
[Mon Aug 18 11:54:52 2014] [warn] [client 50.72.22.238] mod_fcgid: stderr: PHP Warning: preg_match(): Compilation failed: invalid range in character class at offset 7 in /var/www/vhosts/example.org/httpdocs/administrator/components/com_fpss/lib/class.upload.php on line 2977, referer: http://example.org/administrator/index.php?option=com_fpss&view=slide
[Mon Aug 18 11:54:52 2014] [warn] [client 50.72.22.238] mod_fcgid: stderr: PHP Warning: preg_match(): Compilation failed: invalid range in character class at offset 7 in /var/www/vhosts/example.org/httpdocs/administrator/components/com_fpss/lib/class.upload.php on line 3004, referer: http://example.org/administrator/index.php?option=com_fpss&view=slide
[Mon Aug 18 11:54:52 2014] [warn] [client 50.72.22.238] mod_fcgid: stderr: PHP Warning: preg_match(): Compilation failed: invalid range in character class at offset 7 in /var/www/vhosts/example.org/httpdocs/administrator/components/com_fpss/lib/class.upload.php on line 3022, referer: http://example.org/administrator/index.php?option=com_fpss&view=slide
The server is running PHP 5.5.12 on Apache. Any clues how to remedy this situation?
