Is this the full error message (from the logs)?After running a longer time an eroor appears (even after restarting the App).
Cannot parse: DropBox Info as Boolean (from sub: main_manager_accountready)
Sub Process_Globals
    'These global variables will be declared once when the application starts.
    'These variables can be accessed from all modules.
Private manager As DbxAccountManager
  Private key As String = "n4lxziw"
  Private secret As String = "3wzun"
 
End Sub
 
Sub Globals
    Private Button1 As Button
End Sub
 
Sub Activity_Create(FirstTime As Boolean)
    If FirstTime Then
        Log("START")
      manager.Initialize(key, secret, "manager")
  End If
  Activity.LoadLayout("1")
End Sub
 
 
Sub Activity_Pause (UserClosed As Boolean)
 
 
End Sub
 
 
 
Sub Button1_Click
    manager.LinkAccount
End Sub
 
 
Sub Manager_AccountReady (Success As Boolean)
  ToastMessageShow ("Account Ready: " & Success,False)
  If Success Then
      For Each FileInfo As DbxFileInfo In manager.ListFiles("/")
        Log(FileInfo.Name & ", " & FileInfo.IsFolder)
      Next
  End If
  'manager.DownloadFile("/", "somefile", File.DirRootExternal, "somefile")
End Sub
	'This code will be applied to the manifest file during compilation.
'You do not need to modify it in most cases.
'See this link for for more information: http://www.b4x.com/forum/showthread.php?p=78136
AddManifestText(
<uses-sdk android:minSdkVersion="4" android:targetSdkVersion="14"/>
<supports-screens android:largeScreens="true"
    android:normalScreens="true"
    android:smallScreens="true"
    android:anyDensity="true"/>)
AddApplicationText(
<activity android:name="com.dropbox.sync.android.DbxAuthActivity" />
<activity
  android:name="com.dropbox.client2.android.AuthActivity"
  android:launchMode="singleTask" >
  <intent-filter>
    <data android:scheme="db-n4lxziw" /> <!-- NEED TO UPDATE -->
    <action android:name="android.intent.action.VIEW" />
    <category android:name="android.intent.category.BROWSABLE" />
    <category android:name="android.intent.category.DEFAULT" />
  </intent-filter>
</activity>
<service
  android:name="com.dropbox.sync.android.DbxSyncService"
  android:enabled="true"
  android:exported="false"
  android:label="Dropbox Sync" />
  )  
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")
'End of default text.
	...
SetApplicationAttribute(android:icon, "@drawable/icon")
SetApplicationAttribute(android:label, "$LABEL$")
'End of default text.
AddApplicationText(
<activity android:name="com.dropbox.sync.android.DbxAuthActivity" />
<activity
  android:name="com.dropbox.client2.android.AuthActivity"
  android:launchMode="singleTask" >
  <intent-filter>
    <data android:scheme="db-1234567890123" /> <!-- NEED TO UPDATE -->
    <action android:name="android.intent.action.VIEW" />
    <category android:name="android.intent.category.BROWSABLE" />
    <category android:name="android.intent.category.DEFAULT" />
  </intent-filter>
</activity>
<service
  android:name="com.dropbox.sync.android.DbxSyncService"
  android:enabled="true"
  android:exported="false"
  android:label="Dropbox Sync" />
  )