If you received a script error regarding a syntax error near 'Cast(", you will need to manually execute a SQL Script to fix the stored procedures used by this module.  For one reason or another certain DNN installations do not handle the usage of a ' character in a SQL Script for module installation.

To complete the manual fix please follow the below instructions.  If you need assistance please let me know.

1. Download the 01.02.00 Manual Fix file from the DNN Expandable Text/HTML page
2. Copy the text from this file
3. Login to your DNN site as Host
4. From the Host menu select "SQL"
5. Paste the query into the textbox
6. Check the box for "Run as script"
7. Execute the query

You should now see a success message regarding the execution of the query and you will be able to use all new functionality.  i appreciate your patience while I work towards the identification of a root cause.

Same problem in 1.3.0. 
Little bug in statement
SET @SQL = 'SELECT ModuleId, ItemId,  title, body,   lastUpdated, IsExpanded
FROM 
{objectQualifier}ICG_ETH_ExpandableTextHtml
WHERE 
  ModuleId = ' + CAST(@ModuleId AS VARCHAR) + ' '

when replaced {objectQualifier}.

Must be for example :

SET @SQL = 'SELECT ModuleId, ItemId,  title, body,   lastUpdated, IsExpanded
FROM ' + {objectQualifier}+'ICG_ETH_ExpandableTextHtml
WHERE 
  ModuleId = ' + CAST(@ModuleId AS VARCHAR) + ' '