I need help, Who can help me ablout this problem

Like the picture show the problem ,Who can help me to solve that ~~


Welcome to the community! It seems like you are having trouble uploading data to Cesium ion. Here is a guide that lists valid data formats. This guide also includes a section called Upload Instructions which you may find helpful. What data formats are you trying to upload? Are you uploading data from 3ds max or another 3rd-party application?