Error 500 cant access cyberpanel

Good afternoon. I can’t enter the vps server, error 500 appears and I don’t understand why. My website is down, database error, but i cant resolve, because i cant enter o.0 . Can you please help?
https://82.180.155.88:8090/

status of
df -i
and
df

Didnt understand your answer …

@Helena_Rodrigues

Run the command df -i and df in your SSH Terminal

[root@orgasmos-vps ~]# df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/ploop20689p1 41151712 41135328 0 100% /
none 1048576 0 1048576 0% /sys/fs/cgroup
none 1048576 0 1048576 0% /dev
tmpfs 1048576 106976 941600 11% /dev/shm
tmpfs 1048576 8376 1040200 1% /run
tmpfs 209716 0 209716 0% /run/user/0
[root@orgasmos-vps ~]#

Filesystem Inodes IUsed IFree IUse% Mounted on
/dev/ploop20689p1 2621440 440727 2180713 17% /
none 262144 16 262128 1% /sys/fs/cgroup
none 262144 74 262070 1% /dev
tmpfs 262144 27 262117 1% /dev/shm
tmpfs 262144 203 261941 1% /run
tmpfs 262144 1 262143 1% /run/user/0
[root@orgasmos-vps ~]#

done, so it could be the space …

Can you run du and post result here