Please install BOTH Unirgy_SimpleUp and Unirgy_SimpleLicense modules.

• Unirgy_SimpleUp for all PHP versions and all loaders:
  • for all PHP versions

• Unirgy_SimpleLicense by PHP version
  • for ionCube loader:
    • PHP 5.4
    • PHP 5.5
    • PHP 5.6, 7.0
    • PHP 7.1
  • for SourceGuardian loader:
    • PHP 5.6-7.1