opens the default apache2... no zentyal webadmin

[FirstByte]

hello!
First everything worked.
I tried to install the mail and webmail form
now I can no longer access the zentyall web page
opens the default apache2 web page
the domain worked correctly!
https://domain.ip/SOGo   worked!
please help me

[hshafi]

I am using zentyal 6.0

have been working fine for a very long time.
However webadmin has stopped working last week. couldnt figure out how to:
can start from terminal by:

sudo zs webadmin start

but when checked again with

sudo zs webadmin status

it says stopped.

Need help!