timing path has same from and to nodes.

[CosmoKramer]

This is in the timing report and it is frustrating.  Why are from and to nodes same? How to read this timing path? 

From Node ; module|testfifo|empty~_Duplicate ;
To Node ; module|testfifo|empty~_Duplicate ;
Launch Clock ; somethingA|somethinB|ch0 ;
Latch Clock ; somethingA|somethinB|ch0 ;
; Data Arrival Time ; 9.774 ;
; Data Required Time ; 9.596 ;
; Slack ; -0.178 (VIOLATED)

[sstrell]

Can you provide more detail on the design, target device, SDC constraints, etc.?  It's hard to tell what's happening here.  The path could be a feedback loop.

[Nurina]

Hello,

Can you share the .qar file of your project?

To do this, go to Project>Archive Project

Regards,

Nurina

[Nurina]

Hello,

Can you provide some updates?

Regards,

Nurina