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Module Menu Spinning Error in DNN 5

by on October 16, 2011

The Problem

The module menu or “actions” menu in DNN does not show the dropdown – instead the icon keeps spinning and nothing happens.

The Error:

Sys.ArgumentException: Cannot deserialize empty string.
Parameter name: data

The Solution:

  1. Login as Host
  2. Host > Host Settings
  3. Expand Advanced Settings section
  4. Expand Compression Settings section
  5. Set”Compression Setting” to No Compression
  6. Click on Update
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