this error is coming the installed time
STEP 7: Enrypting RSA private key of CA with a pass phrase for security [ca.key]The contents of the ca.key file (the generated private key) has to be
kept secret. So we strongly recommend you to encrypt the server.key file
with a Triple-DES cipher and a Pass Phrase.
Encrypt the private key now? [Y/n]: y
writing RSA key
Enter PEM pass phrase:
Verifying - Enter PEM pass phrase:
unable to write key
roblems getting password
21229:error:0906906F:PEM routines:PEM_ASN1_write_bio:read key
mkcert.sh:Error: Failed to encrypt RSA private key
make: *** [certificate] Error 1
make: Leaving directory `/root/install_ispconfig/compile_aps/apache_1.3.33/src'
make: *** [certificate] Error 2
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