[MacPorts] #62507: Error: Can't install sundials because conflicting ports are active: sundials2

[MacPorts]

#62507: Error: Can't install sundials because conflicting ports are active:
sundials2
---------------------------------+----------------------
  Reporter:  dbl001              |      Owner:  (none)
      Type:  defect              |     Status:  new
  Priority:  Normal              |  Milestone:
 Component:  ports               |    Version:  2.6.4
Resolution:                      |   Keywords:  sundials
      Port:  sundials sundials2  |
---------------------------------+----------------------

Comment (by ryandesign):

 The message is clear. sundials and sundials2 conflict. Please choose which
 one you would like to use and remove the other.

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Ticket URL: <https://trac.macports.org/ticket/62507#comment:2>
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