diff --git a/locale/tr/LC_MESSAGES/django.mo b/locale/tr/LC_MESSAGES/django.mo
index cf2d984f..9c88723c 100644
Binary files a/locale/tr/LC_MESSAGES/django.mo and b/locale/tr/LC_MESSAGES/django.mo differ
diff --git a/locale/tr/LC_MESSAGES/django.po b/locale/tr/LC_MESSAGES/django.po
index c6391990..15e206a3 100644
--- a/locale/tr/LC_MESSAGES/django.po
+++ b/locale/tr/LC_MESSAGES/django.po
@@ -11,7 +11,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-11-06 20:48+0000\n"
+"POT-Creation-Date: 2026-11-06 21:10+0000\n"
 "PO-Revision-Date: 2020-11-04 12:00+0000\n"
 "Last-Translator: catborise <muhammetalisag@gmail.com>, 2020\n"
 "Language-Team: Turkish (https://www.transifex.com/catborise/teams/110663/tr/)\n"
@@ -2120,7 +2120,6 @@ msgstr "Yeni sanal makine"
 
 #: computes/templates/computes/instances.html:30
 #, python-format
-#| msgid "Problem occurred with host"
 msgid "Problem occurred with host %(name)s: %(error)s"
 msgstr "%(name)s sunucusuyla ilgili bir sorun oluştu: %(error)s"
 
@@ -2393,7 +2392,6 @@ msgstr ""
 "eklenirse geri gelir."
 
 #: console/refusals.py:6
-#| msgid "The device is not on this host"
 msgid "The serial console is turned off on this server"
 msgstr "Seri konsol bu sunucuda kapalı"
 
@@ -2406,7 +2404,6 @@ msgstr ""
 " yeniden yükleyin"
 
 #: console/refusals.py:8
-#| msgid "The console starts scaled to its window"
 msgid "The console of this VM is open in another window"
 msgstr "Bu sanal makinenin konsolu başka bir pencerede açık"
 
@@ -7653,7 +7650,6 @@ msgid "%(phase)s (over its time limit)"
 msgstr "%(phase)s (süre sınırını aştı)"
 
 #: operations/jobs.py:151
-#| msgid "The form has no valid submission key; reload the page"
 msgid "This form was already submitted for another request; reload the page"
 msgstr ""
 "Bu form başka bir istek için zaten gönderildi; sayfayı yeniden yükleyin"
@@ -8044,22 +8040,18 @@ msgid "Upload ISO image"
 msgstr "ISO imajı yükle"
 
 #: storages/jobs.py:118
-#| msgid "Invalid file size."
 msgid "Invalid file name"
 msgstr "Geçersiz dosya adı"
 
 #: storages/jobs.py:120
-#| msgid "Only .iso files can be uploaded."
 msgid "Only .iso files can be uploaded"
 msgstr "Yalnızca .iso dosyaları yüklenebilir"
 
 #: storages/jobs.py:122
-#| msgid "Invalid file size."
 msgid "Invalid file size"
 msgstr "Geçersiz dosya boyutu"
 
 #: storages/jobs.py:124
-#| msgid "Invalid chunk index or total chunks."
 msgid "Invalid chunk index or total chunks"
 msgstr "Geçersiz parça dizini veya toplam parça sayısı"
 
@@ -8889,6 +8881,12 @@ msgstr "Bağlantı kapandı (%(reason)s)"
 msgid "Connection Failed: %(host)s is not connected"
 msgstr "Bağlantı başarısız: %(host)s bağlı değil"
 
+#: vrtManager/connection.py:502
+#, python-format
+#| msgid "This host has no secrets."
+msgid "This host has no architecture %(arch)s"
+msgstr "Bu sunucuda %(arch)s mimarisi yok"
+
 #: vrtManager/instance.py:138
 msgid "A running or paused VM cannot be migrated offline"
 msgstr "Çalışan veya duraklatılmış bir sanal makine çevrimdışı taşınamaz"
diff --git a/locale/zh/LC_MESSAGES/django.mo b/locale/zh/LC_MESSAGES/django.mo
index 7de24a53..91a258eb 100644
Binary files a/locale/zh/LC_MESSAGES/django.mo and b/locale/zh/LC_MESSAGES/django.mo differ
diff --git a/locale/zh/LC_MESSAGES/django.po b/locale/zh/LC_MESSAGES/django.po
index cd19c93e..0995a6d3 100644
--- a/locale/zh/LC_MESSAGES/django.po
+++ b/locale/zh/LC_MESSAGES/django.po
@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: \n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2026-11-06 20:48+0000\n"
+"POT-Creation-Date: 2026-11-06 21:10+0000\n"
 "PO-Revision-Date: \n"
 "Last-Translator: \n"
 "Language-Team: \n"
@@ -2051,7 +2051,6 @@ msgstr "新建虚拟机"
 
 #: computes/templates/computes/instances.html:30
 #, python-format
-#| msgid "Problem occurred with host"
 msgid "Problem occurred with host %(name)s: %(error)s"
 msgstr "主机 %(name)s 出现问题：%(error)s"
 
@@ -2313,7 +2312,6 @@ msgid ""
 msgstr "其虚拟机继续在主机上运行并离开面板；其所有者在“已移除的虚拟机”页面保留 %(days)s 天，如果再次添加该主机则会恢复。"
 
 #: console/refusals.py:6
-#| msgid "The device is not on this host"
 msgid "The serial console is turned off on this server"
 msgstr "此服务器已关闭串行控制台"
 
@@ -2324,7 +2322,6 @@ msgid ""
 msgstr "控制台链接已过期，或您已无权打开此控制台：请重新加载页面"
 
 #: console/refusals.py:8
-#| msgid "The console starts scaled to its window"
 msgid "The console of this VM is open in another window"
 msgstr "此虚拟机的控制台已在另一个窗口中打开"
 
@@ -7249,7 +7246,6 @@ msgid "%(phase)s (over its time limit)"
 msgstr "%(phase)s（已超出时间限制）"
 
 #: operations/jobs.py:151
-#| msgid "The form has no valid submission key; reload the page"
 msgid "This form was already submitted for another request; reload the page"
 msgstr "此表单已为另一个请求提交过；请重新加载页面"
 
@@ -7623,22 +7619,18 @@ msgid "Upload ISO image"
 msgstr "上传 ISO 镜像"
 
 #: storages/jobs.py:118
-#| msgid "Invalid file size."
 msgid "Invalid file name"
 msgstr "文件名无效"
 
 #: storages/jobs.py:120
-#| msgid "Only .iso files can be uploaded."
 msgid "Only .iso files can be uploaded"
 msgstr "只能上传 .iso 文件"
 
 #: storages/jobs.py:122
-#| msgid "Invalid file size."
 msgid "Invalid file size"
 msgstr "文件大小无效"
 
 #: storages/jobs.py:124
-#| msgid "Invalid chunk index or total chunks."
 msgid "Invalid chunk index or total chunks"
 msgstr "分块索引或分块总数无效"
 
@@ -8427,6 +8419,12 @@ msgstr "连接已关闭（%(reason)s）"
 msgid "Connection Failed: %(host)s is not connected"
 msgstr "连接失败：%(host)s 未连接"
 
+#: vrtManager/connection.py:502
+#, python-format
+#| msgid "This host has no secrets."
+msgid "This host has no architecture %(arch)s"
+msgstr "此主机没有 %(arch)s 架构"
+
 #: vrtManager/instance.py:138
 msgid "A running or paused VM cannot be migrated offline"
 msgstr "运行中或已暂停的虚拟机不能离线迁移"
diff --git a/vrtManager/connection.py b/vrtManager/connection.py
index 190803b0..39f4201e 100644
--- a/vrtManager/connection.py
+++ b/vrtManager/connection.py
@@ -497,7 +497,10 @@ class wvmConnect(object):
     def get_dom_cap_xml(self, arch, machine):
         """ Return domain capabilities xml"""
         emulatorbin = self.get_emulator(arch)
-        virttype = "kvm" if "kvm" in self.get_hypervisors_domain_types()[arch] else "qemu"
+        domain_types = self.get_hypervisors_domain_types().get(arch)
+        if domain_types is None:  # the architecture comes from the URL
+            raise util.OperationError(gettext_noop("This host has no architecture %(arch)s"), arch=arch)
+        virttype = "kvm" if "kvm" in domain_types else "qemu"
 
         machine_types = self.get_machine_types(arch)
         if not machine or machine not in machine_types:
diff --git a/vrtManager/tests/test_host_reads.py b/vrtManager/tests/test_host_reads.py
index df631343..30e741a1 100644
--- a/vrtManager/tests/test_host_reads.py
+++ b/vrtManager/tests/test_host_reads.py
@@ -20,6 +20,7 @@ from libvirt import (
     VIR_ERR_XML_ERROR,
     libvirtError,
 )
+from vrtManager import util
 from vrtManager.connection import wvmConnect
 from vrtManager.hostdetails import wvmHostDetails
 from vrtManager.storage import wvmStorage, wvmStorages
@@ -90,6 +91,11 @@ class CapabilitiesOnceTestCase(unittest.TestCase):
             ["capabilities", ("/usr/bin/qemu-kvm", "x86_64", "q35", "kvm"), ("/usr/bin/qemu-kvm", "x86_64", "pc", "kvm")],
         )
 
+    def test_an_architecture_the_host_does_not_run_is_refused_with_its_name(self):
+        # the create page and the API take it from the URL: it was a KeyError, a 500
+        with self.assertRaisesRegex(util.OperationError, "This host has no architecture noarch"):
+            connection().get_dom_cap_xml("noarch", "q35")
+
     def test_the_overview_reads_the_info_once_and_the_free_memory_each_time(self):
         conn = connection(wvmHostDetails)
         conn.get_node_info()