Hi, I am having an error as: Failed setting items: TypeError: Cannot read property 'length' of undefined when https://100001.onl/ I apply the following code: import wixData from 'wix-data'; export function uploadButton1_change(event) { if($w("#uploadButton1").value.length > 0) { $w("#uploadButton1").value[0].name}; $w("#uploadButton1").startUpload() .then( (uploadedFile) => { wixData.insert("User-GeneratedContent", uploadedFile).then(() => { $w("#dataset1").refresh(); }) }) } Please help me out to solve the issue! Thank you