when I start the server I get the error:

Code:
Loading the plugins... 306 (out of 12876)smb_func.inc: Not able to open nor to locate it in include paths

Loading the plugins... 2040 (out of 12876)smb_func.inc: Not able to open nor to locate it in include paths

emote-pwcrack-ncrack-ftp.nasl could not be added to the cache and is likely to stay invisible to the client.
portscan-strobe.nasl could not be added to the cache and is likely to stay invisible to the client.
Loading the plugins... 3978 (out of 12876)slad.inc: Not able to open nor to locate it in include paths
[14680](/usr/local/lib/openvas/plugins/slad_run.nasl) Undefined function 'init_add_preferences'
Loading the plugins... 4794 (out of 12876)byte_func.inc: Not able to open nor to locate it in include paths
remote-pwcrack-ncrack-ssh.nasl could not be added to the cache and is likely to stay invisible to the client.
portbunny.nasl could not be added to the cache and is likely to stay invisible to the client.
What to do?