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Can't click on lefthand navigation tabs
![](https://s3-us-west-2.amazonaws.com/media.forumbee.com/i/25285557-5180-46b7-a907-58b5b74e19c5/h/547.png)
When I click on lefthand navigation tabs (NOT including Learning Activities module set), I get this error. Happens across courses and across user accounts (for both students and course admins).