Another day, another lesson. This time I struggled with the following error: “The security validation for this page is invalid. Click Back in your Web browser, refresh the page, and try your operation again.” This error occurs when you are on a custom form and try to save list item. I am sure that one can find many more scenarios where this error occurs. As usual, log contains error but not information.
NB! This blog is moved to gunnarpeipman.com
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