Why do I get the error: "Cannot export project because these files are missing" when exporting a MATLAB Project programmatically?

I cannot export a MATLAB Project when there are missing files, even though those files are not used by the project. The error I get is:

Cannot export project because these files are missing

How do I resolve this error?

Answer 1

[MathWorks Support Team]

Prior to MATLAB R2020b, there was an limitation which prevented the project from being exported programmatically if the project contained files that no longer existed. This issue would also occur before R2020b when using "parsim" or "batchsim" on an external cluster with a project that contained missing files. 

The following are the two workarounds to this error:

• Look for those files in the Project pane and remove any files from the project with the status shown as missing with a red ‘X’, as shown in the image below:

• Upgrade MATLAB to R2020b or later.