Just go to admin-Structure -> views -> Event calendar(your content type...

Contribution Date
Technology
Drupal
Contribution Project
Calendar
Contribution Details

Just go to admin-Structure -> views -> Event calendar(your content type) -> Format -> Format: Settings. Just Click “Apply (this display)” button and same as for day, week and year granularity and "save" that view. Clear the cache of drupal root

After that Clear cache. it works for me!!!

Contribution Author
arunprashanth
Contribution Issue Link
Errors at the day View: Undefined index: groupby_times in template_preprocess_calendar_day()...
Contribution Link
https://www.drupal.org/project/calendar/issues/1397986#comment-10052840
Files count
0
Patches count
0