Any playlist above 100 links is not working. Use this for example. 

https://www.youtube.com/playlist?list=PLZ4yeuWi-T_MHiBrRNrHpeBOBcuxYecKN

Regards

Hello, Thanks for responding

here is the information from: http://en.savefrom.net/user.php?info=1

Browser: Chrome 60.0.3112 Windows 7
User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36
Extension: userjs-chrome 7.47.2

Sample playlist that has more than 100 videos

Please tell the solution to this problem asap.

Thanks