whats going on

[Irene5FA9]

hi everyone. when I finish my project I've just save everything like everytime in jpg, but then when I try to open adobe photoshop for a new work my mac told me "the adobe photoshop app is no longer open".... so I can't open it :/. what can I do??? pls help me 😞🥺🥺🥺

[S_Gans]

Please include a screenshot of the actual error message, and the steps you've taken to get to that error, so that we can be specific in our answers.