Problems exportingimporting in TNConsole

I am using TN server 4.5 and TN console 4.5. I tried to import the conversations from our staging server to development server. While importing, the TNConsole gave the error alert “Error occurred while retrieving document type”. I exported them anyway into a .par file. And while importing them to the development server, i got the error alert “The conversation xxx needs the following doctypes null, null. Do you still want to import”. I imported them anyways. and now when i tried to edit the conversation scripts from the TNConsole, i get the following error
Exception occurred during event dispatching:
java.lang.IllegalArgumentException: Row index out of range
at javax.swing.JTable.boundRow(
at javax.swing.JTable.setRowSelectionInterval(

Can any body help me with this…

thanks in advance