Scheduling mode (period mode) not found among options available in select field

Open

Verify the settings of the task mode custom field (Jira Admin permissions needed).

1. Go to Jira Administration > Issues
   
   

   Open

   

2. Select Custom fields on the left.
   
   

3. Find the task mode field
   
   

    

4. Go to Actions > Configure

5. Verify the following settings 

   1. Go to Edit Options 

      
      make sure all four period modes are listed and enabled.

   2. Change applicable contexts for the scheme.

      
      Ensure the fields are available for all issue types and the context is global.