Rbash: cd restricrted

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I am working on SQL course using git reference and receiving this error restricted how to solve it as not able to proceed further?
Your code so far

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User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/99.0.4844.84 Safari/537.36

Challenge: Build an SQL Reference Object

Link to the challenge:

Can you share any more information @Kirti003Shukla. What are the instructions for the step you are on? What are you entering? Maybe a screen shot.