On this page, you will find more information about the most common causes and most relevant solutions for the Notion error '400 "validation_error"'. Do you need help straight away? Visit our support page.
The Notion Labs, Inc. documentation indicates that error code '400 "validation_error"' is caused by the following problem: "The request body does not match the schema for the expected parameters. Check the "message" property for more details.".
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