Anybody encountered this error before:

Failed to execute 'send' on 'XMLHttpRequest': Failed to load '<https://forms.netsuite.com/app/common/scripting/nlapijsonhandler.nl?jrr=T&jrid=1&jrmethod=remoteObject.logError&jrparams=%5B%22JS_EXCEPTION%22%2C%20%22NetworkError%20Failed%20to%20execute%20%27send%27%20on%20%27XMLHttpRequest%27%3A%20Failed%20to%20load%20%27https%3A%2F%2Fforms.netsuite.com%2Fapp%2Fcommon%2Fscripting%2Fnlapijsonhandler.nl%3Fjrr%3DT%26jrid%3D0%26jrmethod%3DremoteObject.getScriptPrefs%26jrparams%3D%255Bnull%255D%27.%22%2C%20null%2C%20%22upload_client.pageInit%22%2C%20%22customscript_lyc_fileupload_client%22%2C%20false%2C%20null%2C%20%22%22%5D>'.

it is a ss1.0 external suitelet with a client script attached on the suitelet