SUMMARY
This technical document covers a know issue with Strategy 10, where creating a Data Load in Operations Manager is not possible because of the error "You need to create and login into at least one post 9.4.1 environment. You can do so in the environment tab in configuration page". This only affects browsers running directly on the Operations Manager machine when Operations Manager is installed on Unix/Linux operating systems.
SYMPTOM
In a Strategy 10 environment, when running Operations Manager installed on a Web Application Server running on Unix/Linux (e.g. RHEL 7 with Tomcat) and accessing Operations Manager through a browser on the same Operations Manager box, the following error appears when trying to create a Data Load:

You need to create and login into at least one post 9.4.1 environment. You can do so in the environment tab in configuration page