Could not Start FOP server with AsteriskNOW 1.5

Dear all,

I really appreciate your help on fixing the below two issues:

Issue 1
I could not start FOP Server, I got the following messages:

Message from FreePBX
Could not reload the FOP operator panel server using the script. Configuration changes may not be reflected in the panel display.
Added 10 minutes ago

Message from the asterisk server
bash: line 0: cd: /var/www/html/panel: Permission denied
usage: kill [ -s signal | -p ] [ -a ] pid …
kill -l [ signal ]

The FOP’s server ( could not start!
Please correct this problem

I got also the following message from the FreePBX:
The following commands failed with the listed error
/var/lib/asterisk/bin/module_admin listonline (255)
Added 1 hour, 57 minutes ago

I appreciate very much if you could help me how to fix these issues.

Thanks and best regards.