Code Error

[Michael2015]

i get this code after installing any payware modules from either Simpilot or Crazy Creatives please see error code below

Strict Standards: Non-static method StaffData::get_staff() should not be called statically, assuming $this from incompatible context in/home/flyemira/public_html/admin/modules/StaffAdmin/StaffAdmin.php on line 42

Strict Standards: Non-static method StaffData::get_positions() should not be called statically, assuming $this from incompatible context in/home/flyemira/public_html/admin/modules/StaffAdmin/StaffAdmin.php on line 43

[simpilot]

It is from the coding conventions changing with newer editions of php, basically find all the instances of

function

or

public function

and change it to

public static function

[Michael2015]

nope that never worked as i got this error after changing them

Fatal error: Using $this when not in object context in /home/flyemira/public_html/admin/modules/StaffAdmin/StaffAdmin.php on line 13