@Kok Wei ,
If you are using Chrome version 80 or later, please note the cookie new security feature:
A cookie associated with a cross-site resource at <URL> was set with the
SameSite
attribute. It has been blocked, as Chrome now only delivers cookies with cross-site requests if they are set withSameSite=None
andSecure
. You can review cookies in developer tools under Application>Storage>Cookies.
To resolve this issue, please install at least May 12, 2020 CU for SharePoint 2013, which will include a fix for the SameSite cookie issue.
More information for your reference:
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