Invalid template! Template should be a "string" but "undefined" was given as the first argument for mustache#render(template, view, partials)
TypeError: Invalid template! Template should be a "string" but "undefined" was given as the first argument for mustache#render(template, view, partials)
at mustache.render (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:854:12463)
at IconSystemFontawesome.renderIcon (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:395:3094)
at Renderer.pixHelper (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:748:1425)
at Renderer.<anonymous> (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:748:3374)
at Writer.renderSection (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:854:9122)
at Writer.renderTokens (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:854:7802)
at Writer.renderPartial (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:854:10400)
at Writer.renderTokens (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:854:7975)
at Writer.renderBlockVariable (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:854:11161)
at Writer.renderTokens (https://mycourses.aalto.fi/lib/requirejs.php/1741683678/core/first.js:854:8128)
