Apache httpd is unable to start due to SSL Library Error in RHEL 8

Issue

Apache httpd is unable to start. The following log messages were output in logs/ssl_error_log:

[ssl:emerg] [pid 7764:tid 139944079345920] AH02562: Failed to configure certificate 192.0.2.100:443:0 (with chain), check /path/to/mycertificate.crt
[ssl:emerg] [pid 7764:tid 139944079345920] SSL Library Error: error:0909006C:PEM routines:get_name:no start line (Expecting: TRUSTED CERTIFICATE) -- Bad file contents or format - or even just a forgotten SSLCertificateKeyFile?
[ssl:emerg] [pid 7764:tid 139944079345920] SSL Library Error: error:140DC009:SSL routines:use_certificate_chain_file:PEM lib

[Wed Aug 28 08:40:50.433220 2019] [ssl:error] [pid 7911:tid 140416078317824] AH02579: Init: Private key not found
[Wed Aug 28 08:40:50.433362 2019] [ssl:error] [pid 7911:tid 140416078317824] SSL Library Error: error:0D0680A8:asn1 encoding routines:asn1_check_tlen:wrong tag
[Wed Aug 28 08:40:50.433408 2019] [ssl:error] [pid 7911:tid 140416078317824] SSL Library Error: error:0D08303A:asn1 encoding routines:asn1_template_noexp_d2i:nested asn1 error
[Wed Aug 28 08:40:50.433437 2019] [ssl:error] [pid 7911:tid 140416078317824] SSL Library Error: error:0D0680A8:asn1 encoding routines:asn1_check_tlen:wrong tag
[Wed Aug 28 08:40:50.433466 2019] [ssl:error] [pid 7911:tid 140416078317824] SSL Library Error: error:0D07803A:asn1 encoding routines:asn1_item_embed_d2i:nested asn1 error (Type=RSAPrivateKey)
[Wed Aug 28 08:40:50.433495 2019] [ssl:error] [pid 7911:tid 140416078317824] SSL Library Error: error:04093004:rsa routines:old_rsa_priv_decode:RSA lib
[Wed Aug 28 08:40:50.433521 2019] [ssl:error] [pid 7911:tid 140416078317824] SSL Library Error: error:0D0680A8:asn1 encoding routines:asn1_check_tlen:wrong tag
[Wed Aug 28 08:40:50.433548 2019] [ssl:error] [pid 7911:tid 140416078317824] SSL Library Error: error:0D07803A:asn1 encoding routines:asn1_item_embed_d2i:nested asn1 error (Type=PKCS8_PRIV_KEY_INFO)
[Wed Aug 28 08:40:50.433591 2019] [ssl:emerg] [pid 7911:tid 140416078317824] AH02564: Failed to configure encrypted (?) private key 192.0.2.100:443:0, check /path/to/myprivate.key