Error updating Call Recording Report 2.11.0.9 to 12.0.2

During installation of update appears this error:

Whoops \ Exception \ ErrorException (E_WARNING)

unlink(/var/www/html/admin/modules/recording_report/backup1.tar): No such file or directory
/var/www/html/admin/modules/recording_report/install.php

system(fpbx_which('touch') . ' ' . ASTLOGDIR . 'recording_report');

//Check to see if we have a mixmon directory set before we default to /var/spool/asterisk/monitor
$dir = $amp_conf['MIXMON_DIR'] ? $amp_conf['MIXMON_DIR'] : $amp_conf['ASTSPOOLDIR'] . '/monitor';
if (is_dir($dir)) {

for($i=1; $i<=3; $i++)

{ unlink($pwd . "/backup" . $i . ".tar"); symlink($dir . "/backup" . $i . ".tar", "$pwd/backup" . $i . ".tar"); }

Server/Request Data
HTACCESS on
HTTP_HOST 88.12.67.108:8888
HTTP_USER_AGENT Mozilla/5.0 (Windows NT 6.3; WOW64; rv:38.0) Gecko/20100101 Firefox/38.0
HTTP_ACCEPT text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8
HTTP_ACCEPT_LANGUAGE en-US,en;q=0.5
HTTP_ACCEPT_ENCODING gzip, deflate
HTTP_REFERER http://88.12.67.108:8888/admin/config.php?display=modules
HTTP_COOKIE lang=en_US; __utma=95692053.1425101047.1433318991.1433397881.1433426387.5; __utmz=95692053.1433318991.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); PHPSESSID=qhhkb64352hl9a7n9f94ag1p30; __utmb=95692053.5.10.1433426387; __utmc=95692053; __utmt=1
HTTP_CONNECTION keep-alive
HTTP_PRAGMA no-cache
HTTP_CACHE_CONTROL no-cache
CONTENT_LENGTH 0
PATH /sbin:/usr/sbin:/bin:/usr/bin
SERVER_SIGNATURE <address>Apache/2.2.15 (CentOS) Server at 88.12.67.108 Port 8888</address>
SERVER_SOFTWARE Apache/2.2.15 (CentOS)
SERVER_NAME 88.12.67.108
SERVER_ADDR 192.168.2.1
SERVER_PORT 8888
REMOTE_ADDR 80.31.142.48
DOCUMENT_ROOT /var/www/html
SERVER_ADMIN root@localhost
SCRIPT_FILENAME /var/www/html/admin/config.php
REMOTE_PORT 55737
GATEWAY_INTERFACE CGI/1.1
SERVER_PROTOCOL HTTP/1.1
REQUEST_METHOD POST
QUERY_STRING display=modules&action=process&quietmode=1&online=1&modules%5Brecording_report%5D%5Baction%5D=install&modules%5Brecording_report%5D%5Btrack%5D=stable
REQUEST_URI /admin/config.php?display=modules&action=process&quietmode=1&online=1&modules%5Brecording_report%5D%5Baction%5D=install&modules%5Brecording_report%5D%5Btrack%5D=stable
SCRIPT_NAME /admin/config.php
PHP_SELF /admin/config.php
REQUEST_TIME 1433426907
GET Data
display modules
action process
quietmode 1
online 1
modules Array ( [recording_report] => Array ( [action] => install [track] => stable ) )
POST Data
empty
Files
empty
Cookies
lang en_US
__utma 95692053.1425101047.1433318991.1433397881.1433426387.5
__utmz 95692053.1433318991.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none)
PHPSESSID qhhkb64352hl9a7n9f94ag1p30
__utmb 95692053.5.10.1433426387
__utmc 95692053
__utmt 1
Session
module_name modules
module_page modules
AMP_user ampuser Object ( [username] => admin [id] => [password:ampuser:private] => 62ea9874e1ed2faff6b00620cbad62718306d479 [extension_high:ampuser:private] => [extension_low:ampuser:private] => [sections:ampuser:private] => Array ( [0] => * ) [mode:ampuser:private] => database [_lastactivity] => 1433426907 )