Rack2-Filer Smart for Android uses Dropbox's authentication method to link with Dropbox. As this method was changed on Thursday September 28th 2017, the following errors appear:
Case 1. Using Rack2-Filer Smart for Android 1.2.5 or earlier |
Error 1 |
The error appears when trying to sign in Dropbox storage.

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Error 2 |
The error appears when trying to access Dropbox storage.

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Solution |
Solution: Update Rack2-Filer Smart for Android to 1.2.6 or later.
(Note) The Dropbox storage must be selected again after updating. For details, refer to Case 2. |
Case 2. Updated from Rack2-Filer Smart for Android 1.2.5 or earlier to 1.2.6 or later. |
Error |
The error appears when trying to access the Dropbox storage that was selected through Rack2-Filer Smart for Android 1.2.5 or earlier.

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Solution |
Solution: Specify the Dropbox storage again with the following steps:
- Remove the Dropbox storage that has been set to the destination from the [Connection] screen. (This operation will not delete the data in your Dropbox account.)
- Specify again the Dropbox storage you have removed at the 1st step.
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