Please help with the creation of a shared folder on Synology NAS.
1) create share folder my NAS Synology “games”
2) make a folder in your home dir mkdir ~/games OK
3) create the .smbcredentials file and set username and password OK
4) Edit the fstab PROBLEM

proc            /proc           proc    defaults          0       0
/dev/mmcblk0p1  /boot           vfat    defaults          0       2
/dev/mmcblk0p2  /               ext4    defaults,noatime  0       1
# a swapfile is not a swap partition, so no using swapon|off from here on, use  dphys-swapfile swap[on|off]  for that
//192.168.0.101:/volume1/games /home/pi/games/ cifs credentials=/home/pi/.smbcredentials,iocharset=utf8,sec=ntlm 0 0 

5) run commands sudo mount -a

pi@retropie ~ $ sudo mount -a
mount error: could not resolve address for 192.168.0.101:: Unknown error

IP adres my NAS is 192.168.0.101.
Where is the problem? Please help. Excuse my bad English, I’m from Czech Republic …