Deault Template for most of the reports are changing when Running Publish Report Set program again f

Hello,

We have define a Report Set of 35 individual reports & published it from Report Manager Publish Report Set optin, for each individual report we have a seperate template defined & attached to that specific reports while ublishing from update report parameters...for a particular period but when trying to submit the report for the next perod the default templates either shows emty or showing a standard template instead of our defined custom template.

here we have to change each template again for all 35 reports which is a bit time consuming & tedious job..

my question is why the default template getting changed  is there a possibility to make this custom defined templates default each time we run this publish report set...