Support cases can be created via ServiceNow - https://bentleysystems.service-now.com/csp
More on ServiceNow can be found here - https://bentleysystems.service-now.com/community?id=kb_article_view&sysparm_article=KB0037501
If you require immediate assistance please call our support line - https://www.bentley.com/en/about-us/contact-us
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