parse env vars: missing censys secret

[shelu16]

echo sonylive.com | uncover  -e shodan,fofa,censys -v

 __  ______  _________ _   _____  _____
/ / / / __ \/ ___/ __ \ | / / _ \/ ___/
/ /_/ / / / / /__/ /_/ / |/ /  __/ /    
\__,_/_/ /_/\___/\____/|___/\___/_/ v0.0.2  

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[WRN] couldn't parse env vars: missing censys secret

[ehsandeep]

@shelu16 as the error indicates, there is a parsing error to read env variable, do you have any details to add? what you did and how you get this error?