Getting Warning: Cannot construct fi object; converting to double when running Simulink model

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I have a simulink model which whenever I run it spits out the following warning:
"Warning: Cannot construct fi object; converting to double.
> In sim2fi (line 30)"
This model used to contain a Stateflow diagram with a parameter and one output of the fixdt(0,8,6) data type.
The Stateflow diagram has been removed and since then whenever I run the model I get the warning above.
Any help would be appreciated.

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Pablo Romero
Pablo Romero 2021년 6월 3일
That warning occurs, if you have some fixed-point signals in your Simulink model but you do not have the Fixed-Point Toolbox. Replace your fixed-point signals with built-in data types such as uint8.
Also, another cause, if you are using "Compare to Zero" or "Compare to Constant" blocks whose output is set to uint8. Change the output data type to boolean to fix this issue.

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