Sequence Diagrams do not work with Frame

Question

Try

!pragma teoz true
Frame A {
{start1} A -> B
|||
{end1} B -> A
{start1} <-> {end1} : {d..3*d}
}

which does not work...

!pragma teoz true
{start1} A -> B
|||
{end1} B -> A
{start1} <-> {end1} : {d..3*d}

which does...

Frame is needed so one can create a Sequence Diagram using Frames and Headers

Answer 1

This is still under development, but you can have :

@startuml
!pragma teoz true
mainFrame A
{start1} A -> B
|||
{end1} B -> A
{start1} <-> {end1} : {d..3*d}
@enduml