dnsdist.service: Main process exited, code=exited, status=1/FAILURE

[niouflex49]

hi here
have errors since I upgraded to 20.4 some help required

Failed to start dnsdist.service - DNS Loadbalancer.
May 28 10:31:55 blocky systemd[1]: dnsdist.service: Scheduled restart job, restart counter is at 18461.
May 28 10:31:55 blocky systemd[1]: Stopped dnsdist.service - DNS Loadbalancer.
May 28 10:31:55 blocky systemd[1]: Starting dnsdist.service - DNS Loadbalancer...
May 28 10:31:55 blocky dnsdist[75117]: Configuration '/etc/dnsdist/dnsdist.conf' OK!
May 28 10:31:55 blocky dnsdist[75117]: Configuration '/etc/dnsdist/dnsdist.conf' OK!
May 28 10:31:55 blocky dnsdist[75118]: Added downstream server 127.0.0.1:53
May 28 10:31:55 blocky dnsdist[75118]: 00AEE1A5D47B0000:error:80000002:system library:file_ctrl:No such file or directory:../crypto/bio/bss_file.c:>
May 28 10:31:55 blocky dnsdist[75118]: 00AEE1A5D47B0000:error:10080002:BIO routines:file_ctrl:system lib:../crypto/bio/bss_file.c:300:
May 28 10:31:55 blocky dnsdist[75118]: 00AEE1A5D47B0000:error:0A080002:SSL routines:use_certificate_chain_file:system lib:../ssl/ssl_rsa.c:448:
May 28 10:31:55 blocky dnsdist[75118]: Fatal error: An error occurred while trying to load the TLS server certificate file: /etc/dnsdist/dot-server>
May 28 10:31:55 blocky systemd[1]: dnsdist.service: Main process exited, code=exited, status=1/FAILURE
May 28 10:31:55 blocky systemd[1]: dnsdist.service: Failed with result 'exit-code'.