Hello sir,
I am using file upload SDK since 5 years in website https://shop.geekdesign.biz. but last few months when I upload some files using SDK some time Dropbox upload API through *lookup_failed/not_found* error. so please let me know is any think issue our side or change in API call.
upload file using this API:
https://www.dropbox.com/developers/documentation/http/documentation#files-upload_session-finish
API response :
{"error":{"error_summary":"lookup_failed/not_found/.","error":{".tag":"lookup_failed","lookup_failed":{".tag":"not_found"}}},"response":{},"status":409}