Fatal error: Uncaught TypeError: Return value of References::findMainId() must be of the type array, boolean returned in /home/www/eurobydleni.cz/subdomains/www/mlift/library/db/References.php:50
Stack trace:
#0 /home/www/eurobydleni.cz/subdomains/www_sablona_7/referencelist.php(12): References->findMainId(2637)
#1 /home/www/eurobydleni.cz/subdomains/www_sablona_7/index.php(42): include('/home/www/eurob...')
#2 {main}
  thrown in /home/www/eurobydleni.cz/subdomains/www/mlift/library/db/References.php on line 50