`fwconsole ma refreshsignatures` error (PHP7)

OS: Ubuntu 18.04 x64
FreePBX: 14.0.5.5
ASterisk: 16.0.1
PHP: 7.2.10

Error Log:

~~~

1. fwconsole ma refreshsignatures

...

Starting module download from http://mirror1.freepbx.org/modules/packages/queues/queues-14.0.2.22.tgz.gpg ...
Processing
Downloading...
444726/444726 [============================] 100%
Finished downloading
Extracting...sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
sh: 0: getcwd() failed: No such file or directory
Done

In modulefunctions.class.php line 1713:

count(): Parameter must be an array or an object that implements Countable

 ~~~

Solution:

~~~

/var/www/html/admin/libraries/modulefunctions.class.php

line 1713: if(count($errors))

{ line 1714:     return $errors; line 1715: }

 

change

line 1713: if(count($errors)) {

to

line 1713: if( is_array($errors) && count($errors)>0) {