I am having issues with a plug in that I am writing. I am getting this error message below. Can someone advise me on it, please?
"WARNING: /home/fred/app/piwik/plugins/BigPlugin/Reports/GetBigLuginReport.php(116): Strict Notice - Non-static method Piwik\Plugins\CustomVariables\API::getCustomVariables() should not be called statically, assuming $this from incompatible context - Piwik 2.13.0-b3 - Please report this message in the Piwik forums: http://forum.piwik.org (please do a search first as it might have been reported already) "
Does anyone know what the solution to the problem could be please?