[Solved] DeprecationWarning: ‘getMutableClone’ has been deprecated since v4.0.0

Are You Facing the Following error DeprecationWarning: ‘getMutableClone’ has been deprecated since v4.0.0 in Angular? Then You are in right place. In this article, we will try to figure out how this error occurs and what are the possible fixes for this error. First of all, let’s explore how this error occurs.

What is DeprecationWarning: ‘getMutableClone’ has been deprecated since v4.0.0 error?

I am facing the following error in my angular project.

DeprecationWarning: 'getMutableClone' has been deprecated since v4.0.0

How To Fix DeprecationWarning: ‘getMutableClone’ has been deprecated since v4.0.0 Error?

Solution 1: Downgrade typescript 

This error is occur because of typescript To Fix DeprecationWarning: ‘getMutableClone’ has been deprecated since v4.0.0 Error You just need to downgrade typescript to 4.7.4. Just run this command in your terminal.

npm i typescript@4.7.4

Now, Your error will be solved. Thanks.

Conclusion

It’s all About this error. I hope We Have solved Your error. Comment below Your thoughts and your queries. Also, Comment below on which solution worked for you.

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