Saving Appdesigner: Expected "appdesign​er.interna​l.codegene​ration.mod​el.CodeDat​a"

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Hi all, Can somebody help me? I Have tried to Run a App or save it but it is imposible to do nothing. All code appear be ok, but the problem still, It is weird because if I click in the App directly is all run well but through the appdesigner give me this error I Can't continue development my app.
Thanks!.
  1 Comment
Florian
Florian on 4 Dec 2017
Same issue here. It seems to be a problem to open R2016b *.mlapp with R2017b... No one knows a solution?

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Accepted Answer

Florian
Florian on 5 Dec 2017
Re-install Matlab worked for me!

More Answers (2)

Mara Gati
Mara Gati on 4 Jan 2019
I had the same problem in r2018b. I used this link.
restoredefaultpath
It went back to working normally.

liqun fang
liqun fang on 4 Sep 2022
我的版本是2020b,我也遇到了这个问题,我的某个app可以通过鼠标右键正常运行,但是打开后会提示提问中的错误,并且appdesigner的运行按钮已经无法点击而且也无法另存为。其余的app都是正常的
我发现这个问题的产生原因是因为app内某一块程序出错,我的是一个面板panel出现了问题,我不知道这个面板出现了什么问题。但是我用MATLAB Online打开这个错误app然后删除掉panel的程序再另存为,之后我电脑的2020b就可以正常打开这个错误app了。但是我需要重新搭建panel这部分的程序。

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