I can not apply the settings. Ubuntu 16.04 + php7 + FreePBX 14

18

Please! Show me! I can not find! I tried to add in the “freepbx.conf”
$amp_conf[‘PHP_ERROR_LEVEL’]=0;
$amp_conf[‘PHPERRORLEVEL’]=0;

In amportal.conf:
PHP_ERROR_LEVEL=0

What am I doing wrong?

(Ubuntu 16.04, FreePBX14, php7.0)