Are you sure this is a PEM certificate in the first place?
Please, try this:
$ file WC_2019.crt
If it is a PEM certificate, you should see something similar to this:
$ file client.crt
client.crt: PEM certificate
In case you confirm this is indeed a PEM encoded certificate, please check for extra space characters as this could be a badly formatted certificate.
This is how my client.crt looks like (just to give you an idea):
$ cat client.crt
-----BEGIN CERTIFICATE-----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qH5x0pXJZiH4WEzhWRx8DOCRnuXQCBZ7ds/3HXICCi4LhectzI4rJUSCEcuGEv6A
K7Jk/nGV7x7ojGX1mHw=
-----END CERTIFICATE-----