I believe there are different reasons for you to receive this error while attempting to login, but the ideal for that would be raising a Support Ticket to Atlassian Support.
PS: You might know this one, but a quick troubleshooting for these cases is to clean the cache of your browser / delete cookies.
Rodrigo Silva | Cloud
In the past, Portfolio for Jira required a high degree of detail–foresight that was unrealistic for many businesses to have–in order to produce a reliable long-term roadmap. We're tur...
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