Power Platform Community Forum Thread Details

Since last week a custom connector(developed by our partner) stopped working and we received this issue, please see the stack trace and the image below

we have no idea about this issue and does anyone knows about this kind of errors

{"Code":"XX0000","Errors":null,"Exception":{"$type":"Microsoft.IdentityModel.Tokens.SecurityTokenUnableToValidateException, Microsoft.IdentityModel.Tokens","ClassName":"Microsoft.IdentityModel.Tokens.SecurityTokenUnableToValidateException","Message":"IDX10516: Signature validation failed. Unable to match key: \nkid: '[PII of type 'System.String' is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. \nNumber of keys in TokenValidationParameters: '0'. \nNumber of keys in Configuration: '120'. \nExceptions caught:\n '[PII of type 'System.Text.StringBuilder' is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. \ntoken: '[PII of type 'System.IdentityModel.Tokens.Jwt.JwtSecurityToken' is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'. Valid Lifetime: 'True'. Valid Issuer: '[PII of type 'System.Boolean' is hidden. For more details, see https://aka.ms/IdentityModel/PII.]'","Data":null,"InnerException":null,"HelpURL":null,"StackTraceString":"","RemoteStackTraceString":null,"RemoteStackIndex":0,"ExceptionMethod":null,"HResult":-2146233088,"Source":"Microsoft.IdentityModel.Tokens","WatsonBuckets":null,"Microsoft.IdentityModel.SecurityTokenUnableToValidateException.ValidationFailure":2,"StackTrace":""}}