Cannot convert ppt/doc/xls files through API call. Also checked Live Demo and web interface. Both were erroring out. Is the service down??
We are sorry to hear that you have such issue. We investigated the issue, looks like we had some issues with free space. This issues was resolved and now our services work well. Could you please check how GroupDocs Convertion works well for you as well now and notify if the issue was resolved for you?
If you will have more question please feel free to contact us.