Earnings by visits not work (I have my own visit counter (callback))

Hello. I try to se Earning by visits,

but when i set “I have my own visit counter (callback)” and put:

ppc_pvc_views
or
ppc_wp_slimstat_views

it write me error message: The specified visits callback returned NULL for a random post – are you sure it is correct?

But, i have both plugins installed, activated and for sure, cache deleted.

I try to wait some days, but not helps me.

### Begin System Info ###

## Please include this information when posting support requests ##

Multisite: No

SITE_URL: http://www.manmagazin.sk
HOME_URL: http://www.manmagazin.sk

PPC Version: 2.516
WordPress Version: 4.4.1

PHP Version: 5.6.14-0+deb8u1
Web Server Info: Apache

PHP Safe Mode: No
PHP Memory Limit: 256M
PHP Time Limit: 30

WP_DEBUG: Disabled

WP Table Prefix: Length: 3 Status: Acceptable

WP Remote Post: wp_remote_post() works

DISPLAY ERRORS: N/A
FSOCKOPEN: Your server supports fsockopen.
cURL: Your server supports cURL.

ACTIVE PLUGINS:
Add Meta Tags: 2.10.7
Akismet: 3.1.7
All In One SEO Pack: 2.2.7.5
Change Permalink Helper: 0.1
Contact Form 7: 4.3.1
Cookie Law Info: 1.5.3
Disqus Comment System: 2.84
Easy Social Share Buttons for WordPress: 3.3
heatmap for WordPress: 0.3.2
Jetpack by WordPress.com: 3.9.1
Post Pay Counter: 2.516
Post Profit Stats: 1.1.0
Post Profit Stats Pro: 1.0.6
Post Views Counter: 1.1.4
Redirection: 2.4.3
SB-RSS_feed-plus: 1.4.16
Send email notification to author when post is published: 1.0
Simple Local Avatars: 2.0
Social Locker | BizPanda: 4.2.9
Ultimate Nofollow: 1.4.4
User Role Editor: 4.22
W3 Total Cache: 0.9.4.1
Wordfence Security: 6.0.23
WordPress Popular Posts: 3.3.3
WP-Polls: 2.72
WP-UserOnline: 2.87
WPBakery Visual Composer: 4.8.1
WP Remove Category Base: 1.0
WP Slimstat: 4.2.5
WP Smush: 2.1.3
WP to Buffer: 3.0.2

### End System Info ###