Issues with moving to new Handle Proxy Server

[asajedi]

code 500 message "Cannot communicate with metaresolver: Certificates do not conform to algorithm constraints"

for the following requests: https://api.pidmr.devel.argo.grnet.gr/v1/metaresolvers/resolve?pidMode=resource&redirect=true&pid=1974AJ.....79..819H https://api.pidmr.devel.argo.grnet.gr/v1/metaresolvers/resolve?pidMode=landingpage&redirect=true&pid=phs003140.v1.p1 https://api.pidmr.devel.argo.grnet.gr/v1/metaresolvers/resolve?pidMode=landingpage&redirect=true&pid=39116460 https://api.pidmr.devel.argo.grnet.gr/v1/metaresolvers/resolve?pidMode=landingpage&redirect=true&pid=11500%2FATHENA-0000-0000-2401-6 https://api.pidmr.devel.argo.grnet.gr/v1/metaresolvers/resolve?pidMode=landingpage&redirect=true&pid=7800006 https://api.pidmr.devel.argo.grnet.gr/v1/metaresolvers/resolve?pidMode=landingpage&redirect=true&pid=ark%3A%2F67531%2Fmetapth346793

code 400 message "This mode {metadata} is not supported."

for the following request:

https://api.pidmr.devel.argo.grnet.gr/v1/metaresolvers/resolve?pidMode=metadata&redirect=true&pid=7800006