You are opening the SAP URL(s) using the Microsoft Internet Explorer but getting below error message.
This application cannot be used because it was started in the wrong browser mode. Internet Explorer runs in standards mode (IE9 or higher). The application was started, however, in compatibility mode. (Note 1970689)
Solution
Referring to SAP Note 1970689 – Use of “Edge” and “Compatibility” mode for Unified Rendering,
Issue 1:
Internet Explorer runs in “Edge” mode. Application is started in “Compatibility” mode.
If an Unified Rendering-based application is embedded in a page that requires the latest Internet Explorer features the application needs to be aware of that.
Solution:
Append the parameter sap-ie=Edge to the URL of the Unified Rendering-based application.
Ensure your Unified Rendering-based application already Supports standards mode otherwise you have to force the browser in Compatibility Mode (Quirks Mode). Alternatively start the Unified Rendering-based application in a new window.
Issue 2:
Internet Explorer runs in “Compatibility” mode. Application is started in “Edge” mode.
If an Unified Rendering-based application is embedded in a page that is not able to run with the latest Internet Explorer features the application needs to be aware of that.
Solution:
Append the parameter sap-ie=EmulateIE8 to the URL of the Unified Rendering-based application.
Ensure your Unified Rendering-based application doesn’t use a Standards Mode Features. In this case you have to force the browser in Standards Mode. Alternatively start the Unified Rendering-based application in a new window.
