When using Group SMS Assistant to submit an SMS sending task, select an application for SMS Application, select a signature for SMS Signature, and select a template for SMS Template in sequence. If the drop-down list box is empty, see handling suggestions in the following table.
| Parameter | Symptom | Possible Cause | Handling Suggestion |
| SMS Application | The drop-down list box is empty, and "No data available" is displayed. | No SMS application is added to the Huawei Cloud account. | Create an SMS application first. |
| SMS Signature | - No SMS Application value is selected.
- No non-verification code SMS signature is available for the selected SMS Application value.
| - Check the value of SMS Application and ensure that the value is correct.
- Check whether a non-verification code SMS signature is available for the SMS application. If not, apply for an SMS application.
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| SMS Template | - No SMS Application value is selected.
- (For Chinese mainland SMS only) No SMS signature is selected.
- (For Chinese mainland SMS only) Group SMS Assistant supports only non-verification code SMS templates. No SMS template is available under the selected SMS signature.
- (For International SMS only) Group SMS Assistant supports only non-verification code SMS templates. No SMS template is available under the selected SMS application.
| - Check the value of SMS Application and ensure that the value is correct.
- (For Chinese mainland SMS only) Check the value of SMS Signature and ensure that the value is correct.
- (For Chinese Mainland SMS only) Group SMS Assistant supports only non-verification code SMS templates. Check whether an SMS template is available under the selected SMS signature. If not, apply for an SMS template.
- (For International SMS only) Group SMS Assistant supports only non-verification code SMS templates. Check whether an SMS template is available under the selected SMS application. If not, apply for an SMS template.
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