SymptomsLicense activation fails for Parallels Plesk Billing 6.0.3 Bundled (shipped with Parallels Plesk Panel).
Additional informationParallels Plesk Billing standalone is not affected.
The problem is specific to Parallels Plesk Billing 6.0.3 Bundled only, and the solution should not be applied to any other version.
Resolution1. Download the attached hotfix to your Parallels Plesk Billing 6.0.3 installation.
2. Run the downloaded script:
chmod u+x plesk-billing-6.0.3-hotfix1.sh
3. Restart the web server.
Now your installation is patched.
It is safe to apply this solution before or after applying the solution described in kb.parallels.com/en/6279.
You can uninstall the hotfix by running the following commands after installation:
mv billing-libs/DBConnection.php~ billing-libs/DBConnection.php
mv billing-libs/DBQuery.php~ billing-libs/DBQuery.php
mv lib-mbapi/include/drm/drm.php~ lib-mbapi/include/drm/drm.php