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Error: error:0308010C:digital envelope routines::unsupported

Error: error:0308010C:digital envelope routines::unsupported, someone asked me to explain?
I got this following error while running the ionic project. "Error: error:0308010C:digital envelope routines::unsupported"
digital envelope unsupported
To resolve this error: Type the below command on the command prompt,
set NODE_OPTIONS=--openssl-legacy-provider
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