Error using RoboticsPlayground app while running a sample simulation

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Kartik Upadhyay
Kartik Upadhyay 2019-10-8
编辑： Henghua Shen 2022-3-28
The error statement: Error evaluating 'InitFcn' callback of block_diagram 'untitled'.
Callback string is 'RPInit
SimMechanicsRigidlyBoundBlock'
Caused by:
block_diagram does not have a parameter named 'SimMechanicsRigidlyBoundBlock'.
The screenshot of the error.
I followed this youtube video to get to know how to use the app and followed the exact steps given in the app because I am a begineer to MATLAB and SIMULINK.
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Kartik Upadhyay
Kartik Upadhyay 2019-10-15
I guess the app uses an older version of MATLAB because I use the latest version of MATLAB

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回答（3 个）

Jose Avendano Arbelaez
This error occurs when you copy an environment form the library to a blank model. Here are two solutions:
  1. Click on the arrow in the lower left corner of the environment to look under the mask. (This should update the model properties). Then you can navigate back to the top level of the model.
  2. Start from a provided example instead of creating a model from scratch.
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Joseph Smith
Joseph Smith 2021-5-30
I recently ran into this error and figured I'd post a screenshot relating to your solution 1, in case any beginners need clarification. The arrow mentioned is circled in red.

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Sebastian Castro
Sebastian Castro 2019-11-12
Do you have a Simscape Multibody license? If you type in
>> ver
in MATLAB, does that toolbox show up?
- Sebastian
Cristina Manuela Peixoto Santos
Hello
I have the samer eror. I have simscape multibody licence. I did what Jose Svendano suggests but it did not work out the problem. Can you help me out?
Best
Cristina
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Henghua Shen
Henghua Shen 2022-2-22
编辑：Henghua Shen 2022-3-28
I had similar problems when creating a model from scratch. They were solved by adding the according toolbox from "Add-ons", Like Simscape, navigation toolbox, etc.
And then follow the solution 1 from Jose Avendano Arbelaez on 17 Aug 2020
  1. Click on the arrow in the lower left corner of the environment to look under the mask. (This should update the model properties). Then you can navigate back to the top level of the model.
It works now~

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