Superset XBlock: superset_gues_token_url is not defined

[Ian2012]

After installing using the superset xblock in production this issue appears in the console logs:

block-v1:edX+DemoX+D…ew=student_view:899 Uncaught (in promise) ReferenceError: superset_guest_token_url is not defined
    at fetchGuestToken (block-v1:edX+DemoX+D…student_view:899:32)
    at Module.i (embedded-sdk:1:6637)
    at embedDashboard (block-v1:edX+DemoX+D…=student_view:920:6)
    at initSuperset (block-v1:edX+DemoX+D…=student_view:961:5)
    at block-v1:edX+DemoX+D…=student_view:971:7
    at loadJS (block-v1:edX+DemoX+D…=student_view:978:5)
    at Block.SupersetXBlock (block-v1:edX+DemoX+D…=student_view:970:5)
    at new Block (lms-application.e137e602d358.js:1:3800)
    at lms-application.e137e602d358.js:1:3862
    at constructBlock (lms-application.e137e602d358.js:1:3872)
fetchGuestToken	@	block-v1:edX+DemoX+D…ew=student_view:899
i	@	embedded-sdk:1