When opening a catalog item it is returning blank page - Support and Troubleshooting

When opening a catalog item it is returning blank page Issue  Opening a catalog item from category returns a blank page.

Errors in System Logs:

org.mozilla.javascript.EcmaError: Cannot convert null to an object. Caused by error in at line 57

54: }; 55: 56: // get prefix ==> 57: var p_arr = n.match(/^([A-Z]+)/gmi); 58: 59: if( isDebug ) { 60: gs.info('Request / 1 / parameter n: ' + n + ' ### parameter v: ' + v); ---------------------------------------------------------- org.mozilla.javascript.EcmaError: Cannot convert null to an object. Caused by error in at line 1

==> 1: (function process(g_request, g_response, g_processor) { /** Configuration options **/ var isDebug = true;

Cause A custom sys_processor is causing the issue.

Resolution Check if there is any custom sys_processor and deactivate it