QuickBooks can encounter several errors, and one such error is QuickBooks Error 15270. 

This error usually pops up due to improper subscription details. 

Some other reasons for occurrence of this error can be:

• Incomplete download of update files. 
• User account settings.

This error can be fixed by downloading the fresh updates, which can be done by going to the updates section of QuickBooks. 

Click on the reset updates tab and install it. 

And this will help you fix it!! For further assistance call QBSsolved at +1(888) 910 1619.