Title: Error Uploading File Last modified: August 31, 2016 --- # Error Uploading File * Resolved [metaglyphics](https://wordpress.org/support/users/metaglyphics/) * (@metaglyphics) * [10 years, 2 months ago](https://wordpress.org/support/topic/error-uploading-file-1/) * Getting a message when using the uploader as a list. * Error Uploading File SyntaxError: Unexpected token < * Fatal Error Unknown: Cannot use output buffering in output buffering display handlers in Unknown on line 0 * Any thoughts? * [https://wordpress.org/plugins/ajax-upload-for-gravity-forms/](https://wordpress.org/plugins/ajax-upload-for-gravity-forms/) Viewing 1 replies (of 1 total) * Plugin Author [ovann86](https://wordpress.org/support/users/ovann86/) * (@ovann86) * [10 years, 2 months ago](https://wordpress.org/support/topic/error-uploading-file-1/#post-7254693) * Do you have the W3 Total Cache plugin instlled, or any other caching or minifying plugin? * [https://wordpress.org/support/topic/unknown-cannot-use-output-buffering-in-output-buffering-display-handlers-in-unk?replies=8](https://wordpress.org/support/topic/unknown-cannot-use-output-buffering-in-output-buffering-display-handlers-in-unk?replies=8) Viewing 1 replies (of 1 total) The topic ‘Error Uploading File’ is closed to new replies. * ![](https://s.w.org/plugins/geopattern-icon/ajax-upload-for-gravity-forms_76bac9. svg) * [Ajax Upload for Gravity Forms](https://wordpress.org/plugins/ajax-upload-for-gravity-forms/) * [Frequently Asked Questions](https://wordpress.org/plugins/ajax-upload-for-gravity-forms/#faq) * [Support Threads](https://wordpress.org/support/plugin/ajax-upload-for-gravity-forms/) * [Active Topics](https://wordpress.org/support/plugin/ajax-upload-for-gravity-forms/active/) * [Unresolved Topics](https://wordpress.org/support/plugin/ajax-upload-for-gravity-forms/unresolved/) * [Reviews](https://wordpress.org/support/plugin/ajax-upload-for-gravity-forms/reviews/) * 1 reply * 2 participants * Last reply from: [ovann86](https://wordpress.org/support/users/ovann86/) * Last activity: [10 years, 2 months ago](https://wordpress.org/support/topic/error-uploading-file-1/#post-7254693) * Status: resolved