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Editorial Team
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Asked: 2026-06-09T19:45:26+00:00

I’m a rookie developer trying to run an application using play framework. I’ve followed

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I’m a rookie developer trying to run an application using play framework. I’ve followed the tutorial and can successfully create a new project.

However when I go to the directory that has the project I’m supposed to work on and enter the play command I get the following error:

[error] Not a valid command: play (similar: last, alias, loadp)
[error] Not a valid project ID: play
[error] Not a valid configuration: play
[error] Not a valid key: play (similar: clean)
[error] play

I have very little knowledge regarding the framework and don’t know where to start correcting my mistake. Any suggestions ?

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1 Answer

  1. Editorial Team

    The problem was the version difference of play. The project I was suppose to work on was developed in play 1.2 where as I installed the version 2.0 .

    By the way, working with 2.0 on a project developed by version 1.2 is possible, but I strongly recommend not to do it that way as there are problems on the later stages as well.

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