• Steps to reproduce:
• Open any filter where time period selection present ("From", "To") e.g. Monitoring->Problems
• Fill in From ->

  now-2y-1s
  or in seconds:
  now-63072001
  

• Press apply

Result: Filter is applied, no validation errors.

Validation error appears only when 'now-2y-2s' or 'now-63072002' is entered.
Expected: Validation error 'Maximum time period to display is 730 days.' should appear. On release 6.0 and 6.4 it works correctly e.g.