# DLP Service Error Codes > **NOTE** > > This topic describes only module-specific error codes. For details about universal error codes, see [Universal Error Codes](../errorcode-universal.md). ## 19100001 Invalid Parameter **Error Message** Invalid parameter. **Description** Invalid parameter values are detected. **Possible Causes** - The value of **account** is empty or exceeds 1024 characters. - The account type is incorrect. - The **aeskey** or **iv** is invalid. - The authorization expiration time is earlier than the system time. - **Fd** is less than **0**. - The value of **tokenid** is **0**. - The bundle name is empty. - The value of **appindex** is less than **0**. - The value of **userId** is less than **0**. **Solution** Check that all the parameters are set correctly. ## 19100002 Encryption/Decryption Error **Error Message** Begin encryption or decryption error. **Description** An error occurs in encryption or decryption. **Possible Causes** - The number of active encryption/decryption tasks is greater than 100. - Duplicate encryption/decryption tasks are performed. **Solution** Try again later. ## 19100003 Encryption/Decryption Timeout **Error Message** Encryption or decryption timeout. **Description** The encryption or decryption timed out. **Possible Causes** The DLP file encryption/decryption task is not complete within 10 seconds. **Solution** Try again later. ## 19100004 Credential Service Error **Error Message** Credential service error. **Description** An error occurs in the credential service. **Possible Causes** - The DLP credential service does not exist. - The DLP credential service is abnormal. **Solution** Wait for a while and try again, or restart the device. ## 19100005 Credential Authentication Server Error **Error Message** Credential server error. **Description** The credential authentication server is abnormal. **Possible Causes** - The credential authentication server cannot be connected. - The credential authentication server does not exist. **Solution** Check the credential authentication server and try again. ## 19100006 Access Denied for a Non-DLP Sandbox Application **Error Message** No permission to call this API, which is available only for DLP sandbox applications. **Description** The caller is not a DLP sandbox application and cannot call the API. **Possible Causes** The API must be called by a DLP sandbox application. **Solution** The caller must be a DLP sandbox application. ## 19100007 Access Denied for a DLP Sandbox Application **Error Message** No permission to call this API, which is available only for non-DLP sandbox applications. **Description** The caller is a DLP sandbox application and cannot call the API. **Possible Causes** The API cannot be called by a DLP sandbox application. **Solution** The caller cannot be a DLP sandbox application. ## 19100008 Non-DLP File **Error Message** The file is not a DLP file. **Description** The file is not a DLP file. **Possible Causes** The file is not a DLP file. **Solution** Use a DLP file. ## 19100009 Failed to Operate the DLP File **Error Message** Failed to operate the DLP file. **Description** The operation on the DLP file fails. **Possible Causes** - The user is not an authorized user. - The sandbox application fails to be installed. - The link file is not associated. - The number of opened DLP files reaches 1000. **Solution** 1. Check that you are authorized to access the DLP file. 2. Wait for a while or restart the system and try again. ## 19100010 Read-Only DLP File **Error Message** The DLP file is read only. **Description** The DLP file is read-only. **Possible Causes** - You cannot modify the permission on a DLP file that is read-only. - You cannot write a DLP file that is read-only. **Solution** Check the permission on the file. ## 19100011 System Service Abnormal **Error Message** The system ability works abnormally. **Description** The system service is abnormal. **Possible Causes** - The DLP permission service fails to start. - The RPC object of the DLP permission service cannot be obtained. - The service, on which the DLP permission service depends, fails to start. - The IPC data fails to be read or written. - The service is not initialized. **Solution** Try again later or restart the device. ## 19100012 Failed to Apply for Memory **Error Message** Out of memory. **Description** Failed to obtain the memory. **Possible Causes** The system memory is insufficient. **Solution** Try again later or restart the device. ## 19100013 User Access Denied **Error Message** The user does not have the permission. **Description** The user has no permission. **Solution** Check the user permissions. ## 19100014 Account Not Logged In **Error Message** Account not logged in. **Description** The user has not logged in with the account. **Solution** Log in with the account. ## 19100015 Upgrade Required **Error Message** Upgrade required. **Description** The system needs to be upgraded. **Solution** Upgrade the system. ## 19100016 URI Missing in Want **Error Message** uri missing in want. **Description** The **want** parameter does not contain the URI. **Solution** Set parameters correctly. ## 19100017 displayName Missing in Want **Error Message** displayName missing in want. **Description** The **want** parameter does not contain **displayName**. **Solution** Set parameters correctly. ## 19100018 Application Unauthorized **Error Message** Application not authorized. **Description** The application is not authorized. **Possible Causes** The application is not in the authorized application list. **Solution** Set the authorized application list. ## 19100019 DLP File Expired **Error Message** The DLP file has expired. **Description** The DLP file has expired. **Solution** Contact the file owner to authorize the file. ## 19100020 Network Disconnected **Error Message** No network connection. **Description** The device is not connected to Wi-Fi. **Solution** Connect the device to Wi-Fi.