New installation reload failed still

I tried twice to install freepbx 13 on debian jessie, after add some extensions, reload failed always.

after “fwconsole reload”

/root$ fwconsole reload
Reloading FreePBX
Error(s) have occured, the following is the retrieve_conf output:
exit: 1
Exception: Unable to connect to Asterisk Manager from /var/lib/asterisk/bin/retrieve_conf, aborting in file /var/lib/asterisk/bin/retrieve_conf on line 11
Stack trace:

  1. Exception->() /var/lib/asterisk/bin/retrieve_conf:11

Another issue: PJSIP extensions disappeared from extension menu. I am sure I installed PJSIP and it disappeared after reboot today.