# App Account Error Codes ## 12400001 Application Not Exist **Error Message** The application does not exist. **Possible Causes** The possible causes are as follows: 1. The target application does not exist when the app permission is set. 2. The target application does not exist when the app permission is authorized. **Solution** Check that the target app has been installed and use the bundle of the app. ## 12400002 Custom Data Not Exist **Error Message** The custom data does not exist. **Possible Causes** The possible causes are as follows: The key does not exist when you query the custom data of the account. **Solution** Query the custom data with a key that is already defined. ## 12400003 The Number of Custom Data Records Has Reached the Limit **Error Message** The number of custom data records has reached the limit. **Possible Causes** The possible causes are as follows: The number of custom data records of the target account has reached 512. **Solution** Delete the custom data records that are no longer used. ## 12400004 The Number of Tokens Has Reached the Limit **Error Message** The number of tokens has reached the limit. **Possible Causes** The possible causes are as follows: The number of tokens of the target account has reached 1024. **Solution** Delete the tokens that are not longer used, and try again. ## 12400005 The Number of Bundles in the OAuth List Has Reached the Limit **Error Message** The number of bundles in the OAuth list has reached the limit. **Possible Causes** The possible causes are as follows: The number of bundles in the authorization list has reached 1024. **Solution** 1. Revoke authorization from the apps that do not require the authorization, and try again.