I can't use "participant" and "collections" key word on sequence diagram

0 votes
asked Mar 12 in Bug by aibo
recategorized Mar 12

Keyworkd "collections" and "participant" are not recognized on the syntax plantuml for the version 1.2019.3

when i write 

"participant test"

I have this message 

participant test

Syntax Error?

Did you mean : 


And it's the same for collections.

It's ok for keywords actor, control, boundary, database.

I have found the error : i use lef to right direction option, when i delete this, participant and collections are recognized. This option mustn't be used for this type of diagram :-D

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