i think you have triggers, and some triggers are not supporting on AJAX Client,
make a search on limitations of triggers, hope you will get answer.
see some below
Select this event to assign an action to be executed each time the QlikView
document is opened. This event is not supported when running in the AJAX
Activate Object Activates the object specified by Object ID. This function does not work in
Print Sheet Prints the sheet specified by Sheet ID. (Not available as document and sheet
trigger.) This function does not work in AJAX client.
Show Information Shows the associated information, such as a text file or an image for the field
specified by Field. This function does not work in AJAX client.
Close This Document Closes the active QlikView document.
Reload Performs a reload on the current document. This function does not work in