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The "Invalid form key" error message is a common issue that can occur in Magento 2. This error typically occurs when the security token, also known as a "form key," is not valid. Magento uses form keys to protect against Cross-Site Request Forgery (CSRF) attacks.
Here are some steps you can take to resolve this issue:
If none of the above steps resolve the "Invalid form key" issue, you may need to investigate further or seek assistance from a Magento developer or support team. This error can be caused by various factors, and the specific solution may depend on your unique setup and circumstances.
