diff --git a/models/forgefed/activity_test.go b/models/forgefed/activity_test.go
index 4819b5fa6c..3cfe230d62 100644
--- a/models/forgefed/activity_test.go
+++ b/models/forgefed/activity_test.go
@@ -110,7 +110,7 @@ func Test_StarUnmarshalJSON(t *testing.T) {
 	}
 }
 
-func TestAcivityValidation(t *testing.T) {
+func TestActivityValidation(t *testing.T) {
 	sut := new(ForgeLike)
 	sut.UnmarshalJSON([]byte(`{"type":"Like",
 	"actor":"https://repo.prod.meissa.de/api/activitypub/user-id/1",
@@ -123,16 +123,16 @@ func TestAcivityValidation(t *testing.T) {
 	sut.UnmarshalJSON([]byte(`{"actor":"https://repo.prod.meissa.de/api/activitypub/user-id/1",
 	"object":"https://codeberg.org/api/activitypub/repository-id/1",
 	"startTime": "2014-12-31T23:00:00-08:00"}`))
-	if sut.Validate()[0] != "Field type may not be empty" {
-		t.Errorf("validation error expected but was: %v\n", sut.Validate())
+	if sut.Validate()[0] != "Field type should not be empty" {
+		t.Errorf("validation error expected but was: %v\n", sut.Validate()[0])
 	}
 
 	sut.UnmarshalJSON([]byte(`{"type":"bad-type",
 		"actor":"https://repo.prod.meissa.de/api/activitypub/user-id/1",
 	"object":"https://codeberg.org/api/activitypub/repository-id/1",
 	"startTime": "2014-12-31T23:00:00-08:00"}`))
-	if sut.Validate()[0] != "Value bad-type is not contained in allowed values [[Like]]" {
-		t.Errorf("validation error expected but was: %v\n", sut.Validate())
+	if sut.Validate()[0] != "Value bad-type is not contained in allowed values [Like]" {
+		t.Errorf("validation error expected but was: %v\n", sut.Validate()[0])
 	}
 
 	sut.UnmarshalJSON([]byte(`{"type":"Like",
diff --git a/models/forgefed/actor_test.go b/models/forgefed/actor_test.go
index 0995a48c00..40e2a25f4d 100644
--- a/models/forgefed/actor_test.go
+++ b/models/forgefed/actor_test.go
@@ -66,7 +66,7 @@ func TestActorIdValidation(t *testing.T) {
 	sut.Host = "an.other.host"
 	sut.Port = ""
 	sut.UnvalidatedInput = "https://an.other.host/api/v1/activitypub/user-id/"
-	if sut.Validate()[0] != "Field userId may not be empty" {
+	if sut.Validate()[0] != "Field userId should not be empty" {
 		t.Errorf("validation error expected but was: %v\n", sut.Validate())
 	}
 
@@ -78,8 +78,8 @@ func TestActorIdValidation(t *testing.T) {
 	sut.Host = "an.other.host"
 	sut.Port = ""
 	sut.UnvalidatedInput = "https://an.other.host/api/v1/activitypub/user-id/1?illegal=action"
-	if sut.Validate()[0] != "not all input: \"https://an.other.host/api/v1/activitypub/user-id/1?illegal=action\" was parsed: \"https://an.other.host/api/v1/activitypub/user-id/1\"" {
-		t.Errorf("validation error expected but was: %v\n", sut.Validate())
+	if sut.Validate()[0] != "not all input was parsed, \nUnvalidated Input:\"https://an.other.host/api/v1/activitypub/user-id/1?illegal=action\" \nParsed URI: \"https://an.other.host/api/v1/activitypub/user-id/1\"" {
+		t.Errorf("validation error expected but was: %v\n", sut.Validate()[0])
 	}
 }
 
@@ -104,8 +104,8 @@ func TestPersonIdValidation(t *testing.T) {
 	sut.Host = "an.other.host"
 	sut.Port = ""
 	sut.UnvalidatedInput = "https://an.other.host/api/v1/activitypub/user-id/1"
-	if sut.Validate()[0] != "Value forgejox is not contained in allowed values [[forgejo gitea]]" {
-		t.Errorf("validation error expected but was: %v\n", sut.Validate())
+	if sut.Validate()[0] != "Value forgejox is not contained in allowed values [forgejo gitea]" {
+		t.Errorf("validation error expected but was: %v\n", sut.Validate()[0])
 	}
 }
 
diff --git a/models/forgefed/nodeinfo_test.go b/models/forgefed/nodeinfo_test.go
index be31ace1cc..04384fe4f3 100644
--- a/models/forgefed/nodeinfo_test.go
+++ b/models/forgefed/nodeinfo_test.go
@@ -52,7 +52,7 @@ func Test_NodeInfoWellKnownValidate(t *testing.T) {
 	}
 
 	sut = NodeInfoWellKnown{Href: "./federated-repo.prod.meissa.de/api/v1/nodeinfo"}
-	if _, err := validation.IsValid(sut); err.Error() != "Href has to be absolute\nValue  is not contained in allowed values [[http https]]" {
+	if _, err := validation.IsValid(sut); err.Error() != "Href has to be absolute\nValue  is not contained in allowed values [http https]" {
 		t.Errorf("validation error expected but was: %v\n", err)
 	}
 
diff --git a/models/repo/repo_test.go b/models/repo/repo_test.go
index ca9209d751..e4b9618e35 100644
--- a/models/repo/repo_test.go
+++ b/models/repo/repo_test.go
@@ -217,3 +217,12 @@ func TestComposeSSHCloneURL(t *testing.T) {
 	setting.SSH.Port = 123
 	assert.Equal(t, "ssh://git@[::1]:123/user/repo.git", repo_model.ComposeSSHCloneURL("user", "repo"))
 }
+
+func TestAPAPIURL(t *testing.T) {
+	repo := repo_model.Repository{ID: 1}
+	url := repo.APAPIURL()
+	expected := "https://try.gitea.io/api/v1/activitypub/repository-id/1"
+	if url != expected {
+		t.Errorf("unexpected APAPIURL, expected: %q, actual: %q", expected, url)
+	}
+}
diff --git a/models/repo/star.go b/models/repo/star.go
index c120eb9882..61df584173 100644
--- a/models/repo/star.go
+++ b/models/repo/star.go
@@ -11,7 +11,8 @@ import (
 	"code.gitea.io/gitea/models/db"
 	"code.gitea.io/gitea/models/forgefed"
 	user_model "code.gitea.io/gitea/models/user"
-	"code.gitea.io/gitea/modules/activitypub"
+
+	//"code.gitea.io/gitea/modules/activitypub"
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/setting"
 	"code.gitea.io/gitea/modules/timeutil"
@@ -94,10 +95,10 @@ func sendLikeActivities(ctx context.Context, doer user_model.User, repoID int64)
 		return err
 	}
 
-	apclient, err := activitypub.NewClient(ctx, &doer, doer.APAPIURL())
+	/*apclient, err := activitypub.NewClient(ctx, &doer, doer.APAPIURL())
 	if err != nil {
 		return err
-	}
+	}*/
 
 	for _, federatedRepo := range federatedRepos {
 		target := federatedRepo.Uri + "/inbox/" // A like goes to the inbox of the federated repo
@@ -107,16 +108,16 @@ func sendLikeActivities(ctx context.Context, doer user_model.User, repoID int64)
 			return err
 		}
 		log.Info("Like Activity: %v", likeActivity)
-		json, err := likeActivity.MarshalJSON()
+		/*json, err := likeActivity.MarshalJSON()
 		if err != nil {
 			return err
-		}
+		}*/
 
 		// TODO: decouple loading & creating activities from sending them - use two loops.
 		// TODO: set timeouts for outgoing request in oder to mitigate DOS by slow lories
 		// TODO: Check if we need to respect rate limits
 		// ToDo: Change this to the standalone table of FederatedRepos
-		apclient.Post([]byte(json), target)
+		//apclient.Post([]byte(json), target)
 	}
 
 	return nil
diff --git a/models/user/user.go b/models/user/user.go
index 3e47bfccc8..1c305fff8e 100644
--- a/models/user/user.go
+++ b/models/user/user.go
@@ -303,7 +303,7 @@ func (u *User) HTMLURL() string {
 
 // APAPIURL returns the IRI to the api endpoint of the user
 func (u *User) APAPIURL() string {
-	return setting.AppURL + url.PathEscape("api/v1/activitypub/user-id/") + url.PathEscape(string(u.ID))
+	return fmt.Sprintf("%vapi/v1/activitypub/user-id/%v", setting.AppURL, url.PathEscape(fmt.Sprintf("%v", u.ID)))
 }
 
 // OrganisationLink returns the organization sub page link.
diff --git a/models/user/user_test.go b/models/user/user_test.go
index 411d1ab830..5105845394 100644
--- a/models/user/user_test.go
+++ b/models/user/user_test.go
@@ -60,6 +60,15 @@ func TestCanCreateOrganization(t *testing.T) {
 	assert.False(t, user.CanCreateOrganization())
 }
 
+func TestAPAPIURL(t *testing.T) {
+	user := user_model.User{ID: 1}
+	url := user.APAPIURL()
+	expected := "https://try.gitea.io/api/v1/activitypub/user-id/1"
+	if url != expected {
+		t.Errorf("unexpected APAPIURL, expected: %q, actual: %q", expected, url)
+	}
+}
+
 func TestSearchUsers(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 	testSuccess := func(opts *user_model.SearchUserOptions, expectedUserOrOrgIDs []int64) {
diff --git a/modules/forgefed/federation_service.go b/modules/forgefed/federation_service.go
index 843a3f7cbd..1751d6958e 100644
--- a/modules/forgefed/federation_service.go
+++ b/modules/forgefed/federation_service.go
@@ -82,7 +82,7 @@ func LikeActivity(ctx context.Context, form any, repositoryID int64) (int, strin
 	// execute the activity if the repo was not stared already
 	alreadyStared := repo.IsStaring(ctx, user.ID, repositoryID)
 	if !alreadyStared {
-		err = repo.StarRepo(ctx, user, repositoryID, true)
+		err = repo.StarRepo(ctx, *user, repositoryID, true)
 		if err != nil {
 			return http.StatusNotAcceptable, "Error staring", err
 		}
diff --git a/modules/validation/validatable.go b/modules/validation/validatable.go
index 405450aa1c..1e9de3929f 100644
--- a/modules/validation/validatable.go
+++ b/modules/validation/validatable.go
@@ -62,7 +62,7 @@ func ValidateOneOf(value any, allowed []any) []string {
 			return []string{}
 		}
 	}
-	return []string{fmt.Sprintf("Value %v is not contained in allowed values [%v]", value, allowed)}
+	return []string{fmt.Sprintf("Value %v is not contained in allowed values %v", value, allowed)}
 }
 
 func ValidateSuffix(str, suffix string) bool {
diff --git a/routers/api/v1/user/star.go b/routers/api/v1/user/star.go
index d5b36d8131..e0131dfe28 100644
--- a/routers/api/v1/user/star.go
+++ b/routers/api/v1/user/star.go
@@ -157,7 +157,7 @@ func Star(ctx *context.APIContext) {
 	//     "$ref": "#/responses/notFound"
 
 	// TODO: why is this *context.APIContext passed, where a context.Context is expected?
-	err := repo_model.StarRepo(ctx, ctx.Doer, ctx.Repo.Repository.ID, true)
+	err := repo_model.StarRepo(ctx, *ctx.Doer, ctx.Repo.Repository.ID, true)
 	if err != nil {
 		ctx.Error(http.StatusInternalServerError, "StarRepo", err)
 		return
@@ -188,7 +188,7 @@ func Unstar(ctx *context.APIContext) {
 	//   "404":
 	//     "$ref": "#/responses/notFound"
 
-	err := repo_model.StarRepo(ctx, ctx.Doer.ID, ctx.Repo.Repository.ID, false)
+	err := repo_model.StarRepo(ctx, *ctx.Doer, ctx.Repo.Repository.ID, false)
 	if err != nil {
 		ctx.Error(http.StatusInternalServerError, "StarRepo", err)
 		return
diff --git a/routers/web/repo/repo.go b/routers/web/repo/repo.go
index bede21be17..fbc267a3cb 100644
--- a/routers/web/repo/repo.go
+++ b/routers/web/repo/repo.go
@@ -316,9 +316,9 @@ func Action(ctx *context.Context) {
 	case "unwatch":
 		err = repo_model.WatchRepo(ctx, ctx.Doer.ID, ctx.Repo.Repository.ID, false)
 	case "star":
-		err = repo_model.StarRepo(ctx, ctx.Doer.ID, ctx.Repo.Repository.ID, true)
+		err = repo_model.StarRepo(ctx, *ctx.Doer, ctx.Repo.Repository.ID, true)
 	case "unstar":
-		err = repo_model.StarRepo(ctx, ctx.Doer.ID, ctx.Repo.Repository.ID, false)
+		err = repo_model.StarRepo(ctx, *ctx.Doer, ctx.Repo.Repository.ID, false)
 	case "accept_transfer":
 		err = acceptOrRejectRepoTransfer(ctx, true)
 	case "reject_transfer":