When upgrading to the most recent version of the provider, I received a panic during a terraform plan that crashed the provider
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: panic: interface conversion: interface is nil, not interface {}
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0:
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: goroutine 153 [running]:
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: github.com/alexkappa/terraform-provider-auth0/auth0.connectionSchemaUpgradeV1(0xc0007fc600, 0x1c6eee0, 0xc0002e38c0, 0xc0007fc600, 0x0, 0x0)
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: /Users/yinzara/github/terraform-provider-auth0/auth0/resource_auth0_connection.go:675 +0x43a
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: github.com/hashicorp/terraform-plugin-sdk/internal/helper/plugin.(*GRPCProviderServer).upgradeJSONState(0xc000796008, 0x0, 0xc0007fc600, 0xc0000bf440, 0xc0007eaff0, 0x0, 0x0)
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: /Users/yinzara/go/pkg/mod/github.com/hashicorp/[email protected]/internal/helper/plugin/grpc_provider.go:395 +0xb7
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: github.com/hashicorp/terraform-plugin-sdk/internal/helper/plugin.(*GRPCProviderServer).UpgradeResourceState(0xc000796008, 0x1f729d0, 0xc0004cce40, 0xc0008d9200, 0xc000796008, 0xc0004cce40, 0xc0005b1ba0)
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: /Users/yinzara/go/pkg/mod/github.com/hashicorp/[email protected]/internal/helper/plugin/grpc_provider.go:270 +0x28f
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: github.com/hashicorp/terraform-plugin-sdk/internal/tfplugin5._Provider_UpgradeResourceState_Handler(0x1d3b5e0, 0xc000796008, 0x1f729d0, 0xc0004cce40, 0xc00081f5c0, 0x0, 0x1f729d0, 0xc0004cce40, 0xc000ed4000, 0xb0d)
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: /Users/yinzara/go/pkg/mod/github.com/hashicorp/[email protected]/internal/tfplugin5/tfplugin5.pb.go:3233 +0x214
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: google.golang.org/grpc.(*Server).processUnaryRPC(0xc0000181c0, 0x1f7ca18, 0xc0006c3200, 0xc0000c9200, 0xc00083a780, 0x25bb7e0, 0x0, 0x0, 0x0)
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: /Users/yinzara/go/pkg/mod/google.golang.org/[email protected]/server.go:1180 +0x52b
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: google.golang.org/grpc.(*Server).handleStream(0xc0000181c0, 0x1f7ca18, 0xc0006c3200, 0xc0000c9200, 0x0)
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: /Users/yinzara/go/pkg/mod/google.golang.org/[email protected]/server.go:1503 +0xd0c
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: google.golang.org/grpc.(*Server).serveStreams.func1.2(0xc0008341c0, 0xc0000181c0, 0x1f7ca18, 0xc0006c3200, 0xc0000c9200)
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: /Users/yinzara/go/pkg/mod/google.golang.org/[email protected]/server.go:843 +0xab
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: created by google.golang.org/grpc.(*Server).serveStreams.func1
2021-04-04T21:48:17.308-0700 [DEBUG] plugin.terraform-provider-auth0: /Users/yinzara/go/pkg/mod/google.golang.org/[email protected]/server.go:841 +0x1fd
2021-04-04T21:48:17.311-0700 [DEBUG] plugin: plugin process exited: path=/Users/yinzara/.terraform.d/plugins/terraform-provider-auth0 pid=32447 error="exit status 2"