You are facing an Error while accessing the Browse Catalog option in Integration Center.
This is a known issue and SAP's engineering team is working on the resolution.
The engineering team has concluded its investigation and has established that the URL which was initially being displayed was being blocked by customer instances, as a result the new url to be used is as below:
This change will be integrated into customer instances with the new release in B1802.
Browse Catalog, Integration Center, B1802 Release , KBA , LOD-SF-INT-INC , Integration Center , LOD-SF-INT , SF Integrations - EC Payroll, Boomi/ HCI, API , Problem