Error using concatenationLayer Cannot define property 'Name'

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deepti_sinha - 2021-05-21T11:14:12+00:00
Question: Error using concatenationLayer Cannot define property 'Name'

Hello, I am trying to define a concatenation layer in Matlab 2020a but I get the following error:   Error using concatenationLayer Cannot define property 'Name' in class 'concatenationLayer' because the property has already been defined in the superclass 'Layer'.   I get the same error even using the simple command from the help from matlab concat = concatenationLayer(4,2,'Name','concat')   This is strange, because I have been using this command since version 2019a but now that I migrated to 2020a I get the error. I hope anyone can help me to fix this issue.

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    • Expert Answer

    Profile picture of John Michell John Michell answered . 2025-11-20

    Hi,
     
    Did you try using a new layer name other than 'concat', as the error mentions the name has already been used in a superclass.
     
    I tried to work the same at my end, it works completely fine for me.
     
    If the problem still persists, try using the following commands and retry your work.
     
    rehash toolbox
rehash toolboxcache


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