From e6f2fe16d65817bee58393d283ad14554e180bd6 Mon Sep 17 00:00:00 2001
From: James Cherry <cherry@parallaxsw.com>
Date: Tue, 19 Jan 2021 11:13:57 -0700
Subject: [PATCH] set_clock_transition error->warn

---
 tcl/Sdc.tcl | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tcl/Sdc.tcl b/tcl/Sdc.tcl
index 3cb3c553..e5108f6a 100644
--- a/tcl/Sdc.tcl
+++ b/tcl/Sdc.tcl
@@ -1620,7 +1620,7 @@ proc set_clock_transition { args } {
   
   foreach clk $clks {
     if { [$clk is_virtual] } {
-      sta_error 559 "transition time can not be specified for virtual clocks."
+      sta_warn 559 "transition time can not be specified for virtual clocks."
     } else {
       set_clock_slew_cmd $clk $tr $min_max [time_ui_sta $slew]
     }