Your web browser needs to allow cookies from https://softchalkcloud.com.
...
Please either try a different web browser or follow the steps below to enable cookies in your current web browser using the directions below:
Chrome
In the upper right corner of your browser, click the three vertical dots. Select Settings / Advanced (link at the bottom) / Privacy area – Site Settings / Cookies – Add – For Add a site, enter [*.]softchalkcloud.com and Add.
Firefox
In the upper right corner of your browser, click the three horizontal lines. Click Options / Privacy (at the left) / Cookies and Site Data area – Manage Permissions. Enter https://softchalkcloud.com. Click Allow. Click Save Changes.
Internet Explorer
In the upper right corner of your browser, click the Gear icon / Internet Options. Click the Privacy tab at the top. Under Settings, click Sites. Enter https://softchalkcloud.com. Click Allow. Click OK.
Safari
Open the SoftChalk lesson in the browser. In the upper left corner of your browser, click Safari and select Preferences. / Privacy / Always Allow