panic: interface conversion: types.Type is nil, not *types.Named

[AshleyDumaine]

I'm running into the same issue as #492, but I'm on [email protected] and go1.23.1:

GOBIN=/Users/adumaine/cluster-api-provider-linode/bin go install sigs.k8s.io/controller-tools/cmd/[email protected]
/Users/adumaine/cluster-api-provider-linode/bin/controller-gen rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases
GOBIN=/Users/adumaine/cluster-api-provider-linode/bin go install k8s.io/code-generator/cmd/[email protected]
/Users/adumaine/cluster-api-provider-linode/bin/conversion-gen ./api/v1alpha1 --go-header-file=./hack/boilerplate.go.txt --output-file=zz_generated.conversion.go
GOBIN=/Users/adumaine/cluster-api-provider-linode/bin go install github.com/hexdigest/gowrap/cmd/[email protected]
go generate ./...
/Users/adumaine/cluster-api-provider-linode/bin/controller-gen object:headerFile="hack/boilerplate.go.txt" paths="./..."
panic: interface conversion: types.Type is nil, not *types.Named

goroutine 1 [running]:
sigs.k8s.io/controller-tools/pkg/deepcopy.shouldBeCopied(0x14000bb0080, 0x14005c42960)
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/deepcopy/traverse.go:623 +0x27c
sigs.k8s.io/controller-tools/pkg/deepcopy.(*ObjectGenCtx).generateForPackage.func1(0x14005c42960)
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/deepcopy/gen.go:229 +0x6c
sigs.k8s.io/controller-tools/pkg/markers.EachType.func1(0x14000caa0a0, 0x140002b0880, 0x140002b0640)
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/markers/zip.go:222 +0x1f0
sigs.k8s.io/controller-tools/pkg/loader.(*typeVisitor).Visit(0x14003a0fc20?, {0x100bb17c0?, 0x140002b0640?})
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/loader/visit.go:64 +0xc0
go/ast.Walk({0x100baeb60?, 0x140047695a8?}, {0x100bb17c0, 0x140002b0640})
	/opt/homebrew/Cellar/go/1.23.1/libexec/src/go/ast/walk.go:34 +0x44
go/ast.walkList[...](...)
	/opt/homebrew/Cellar/go/1.23.1/libexec/src/go/ast/walk.go:21
go/ast.Walk({0x100baeb60?, 0x140047695a8?}, {0x100bb1810, 0x140002b0880})
	/opt/homebrew/Cellar/go/1.23.1/libexec/src/go/ast/walk.go:320 +0x20f4
go/ast.walkList[...](...)
	/opt/homebrew/Cellar/go/1.23.1/libexec/src/go/ast/walk.go:21
go/ast.Walk({0x100baeb60?, 0x140047695a8?}, {0x100bb17e8, 0x14000caa0a0})
	/opt/homebrew/Cellar/go/1.23.1/libexec/src/go/ast/walk.go:341 +0x2e24
sigs.k8s.io/controller-tools/pkg/loader.EachType(0x14000bb0080, 0x14004769590)
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/loader/visit.go:38 +0x98
sigs.k8s.io/controller-tools/pkg/markers.EachType(0x100ac64a0?, 0x14000bb0080, 0x14007aedd40)
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/markers/zip.go:198 +0x84
sigs.k8s.io/controller-tools/pkg/deepcopy.(*ObjectGenCtx).generateForPackage(0x14008313a38, 0x14000bb0080)
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/deepcopy/gen.go:219 +0x204
sigs.k8s.io/controller-tools/pkg/deepcopy.Generator.Generate({{0x1400003977b?, 0x100b48200?}, {0x0?, 0x1008030b0?}}, 0x140000626e0)
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/deepcopy/gen.go:155 +0x188
sigs.k8s.io/controller-tools/pkg/genall.(*Runtime).Run(0x140005b07e0)
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/pkg/genall/genall.go:272 +0x21c
main.main.func1(0x14000254200?, {0x1400009f900?, 0x4?, 0x1008dd617?})
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/cmd/controller-gen/main.go:176 +0x64
github.com/spf13/cobra.(*Command).execute(0x14000264c08, {0x140000302b0, 0x2, 0x2})
	/Users/adumaine/go/pkg/mod/github.com/spf13/[email protected]/command.go:985 +0x834
github.com/spf13/cobra.(*Command).ExecuteC(0x14000264c08)
	/Users/adumaine/go/pkg/mod/github.com/spf13/[email protected]/command.go:1117 +0x344
github.com/spf13/cobra.(*Command).Execute(...)
	/Users/adumaine/go/pkg/mod/github.com/spf13/[email protected]/command.go:1041
main.main()
	/Users/adumaine/go/pkg/mod/sigs.k8s.io/[email protected]/cmd/controller-gen/main.go:200 +0x290
make: *** [generate-code] Error 2

[AshleyDumaine]

I found my issue, it was that there was already a struct in an existing CRD with the same name as the resource kubebuilder was trying to create. Renaming the struct fixed it.