Gitea panic

panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x18 pc=0xf1716c]

goroutine 19174237 [running]:
code.gitea.io/gitea/models.(*Repository).getOwnerName(0x0, 0x37c5460, 0xc00016a700, 0x1d00447, 0x7)
	/home/git/go/src/code.gitea.io/gitea/models/repo.go:545 +0x2c
code.gitea.io/gitea/models.(*Repository).mustOwnerName(0x0, 0x37c5460, 0xc00016a700, 0xc004035a40, 0x10)
	/home/git/go/src/code.gitea.io/gitea/models/repo.go:571 +0x43
code.gitea.io/gitea/models.(*Repository).repoPath(0x0, 0x37c5460, 0xc00016a700, 0x35, 0x0)
	/home/git/go/src/code.gitea.io/gitea/models/repo.go:723 +0x3f
code.gitea.io/gitea/models.(*Repository).RepoPath(...)
	/home/git/go/src/code.gitea.io/gitea/models/repo.go:728
code.gitea.io/gitea/services/pull.PushToBaseRepo(0xc001aafc70, 0x0, 0x0)
	/home/git/go/src/code.gitea.io/gitea/services/pull/pull.go:234 +0x323
code.gitea.io/gitea/services/pull.addHeadRepoTasks(0xc0052811f0, 0x1, 0x2)
	/home/git/go/src/code.gitea.io/gitea/services/pull/pull.go:161 +0xeb
code.gitea.io/gitea/services/pull.AddTestPullRequestTask.func1(0x37a3120, 0xc004ea59a0)
	/home/git/go/src/code.gitea.io/gitea/services/pull/pull.go:201 +0x32e
code.gitea.io/gitea/modules/graceful.(*Manager).RunWithShutdownContext(0xc0000bc900, 0xc002559f78)
	/home/git/go/src/code.gitea.io/gitea/modules/graceful/manager.go:117 +0xdc
code.gitea.io/gitea/services/pull.AddTestPullRequestTask(0xc003fb5400, 0xf, 0xc005418e20, 0x1a, 0xc007e58c00)
	/home/git/go/src/code.gitea.io/gitea/services/pull/pull.go:174 +0x196
created by code.gitea.io/gitea/services/pull.Merge.func1
	/home/git/go/src/code.gitea.io/gitea/services/pull/merge.go:67 +0x6a