Error Code and Troubleshooting

Error code	Message	Troubleshooting
1004	sign invalid	The Access ID and Access Secret you entered are not correct. For more information, see entering credentials step in Install Tuya Integration.
1106	permission deny	Your app account is not linked to your cloud project. This operation is a must-do. For more information, see Link devices by app account. Incorrect account or password. You must enter the account and password of the mobile app that you use to scan the QR code for linking devices to your cloud project on the Tuya IoT Development Platform. Incorrect country. You must select the region of your account of the Tuya Smart app or Smart Life app.
1100	param is empty	Empty parameter of username or app. Fill the parameters refer to the entering credentials step in Install Tuya Integration.
2406	skill id invalid	Make sure you use the Tuya Smart or SmartLife app account to log in. Also, choose the right data center endpoint related to your country region. For more details, please check Mappings Between OEM App Accounts and Data Centers. Your cloud project on the Tuya IoT Development Platform should be created after May 25, 2021. Otherwise, you need to create a new project. For more information, see Operation on the Tuya IoT Development Platform.
28841105	No permissions. This project is not authorized to call this API	Insufficient API permissions. You need to subscribe to the required API services and authorize your cloud project to use these API services. The following API services are required. Authorization Device Connection Service Smart Home Scene Linkage IoT Data Analytics Device Status Notification