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Continue to ChatMicrosoft 365 - SharePoint Online - Uploading file using REST API - resolving error - code:-2130575251 Microsoft.SharePoint.SPException - The security validation for this page is invalid and might be corrupted. Please use your web browsers Back button to try your operation again https://knowledge-junction.in/2023/07/02/microsoft-365-sharepoint-online-uploading-file-using-rest-api-resolving-error-code-2130575251-microsoft-sharepoint-spexception-the-security-validation-for-this-page-is-invalid-and-might-be/