Create next planning internal and Create next sprint button disappeared from SPW

[psyherin]

HI all,

Got a weird issue, where we were setting up the Agile Structure and then setting up the planning interval and sprints entries. When we tried to navigate to the features and click "Create Next Planning Interval" it was giving an error saying "Unable to create next iteration: There are one or more Agile Development sprints conflicting with child iteration spans. Please fix it in Agile Development 2.0

So we deleted the planning calendars and recreated the planning calendars"(PI and Sprint) but now the "Create next planning internal" and "Create next sprint button" is disappeared from the Strategic Planning Workspace. I am unable to find what is causing this issue now.

Attached are the screenshots from PDI regarding where the buttons are located. 

I cant even find where those buttons configs are? Cant find it under UI actions or form actions under Next exp framework. 

Any help is appreciated.

Thanks

[Shalini32]

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