ERROR "Unable to resolve the name images.roi.Line"

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I've used AppDesigner with Matlab release 2021b and everything worked fine. Due to some circumstances I had to move back to the relesase 2021a and now this simple codeline:
line = images.roi.Line()
throws an error "Unable to resolve the name images.roi.Line". Do you know what can cause this?

Answers (1)

Priyanka Kondapalli
Priyanka Kondapalli on 21 Mar 2022
Edited: Priyanka Kondapalli on 24 Mar 2022
Request you to provide us with the entire code you are trying to execute. This is help identify the root cause.
  1 Comment
rocketMan on 24 Mar 2022
Edited: rocketMan on 24 Mar 2022
Hey, I think that something went wrong during the installation, because after I reinstalled matlab, everything worked fine...
And the code that didn't work was just the line

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