diff --git a/python/src/mas/cli/install/settings/aiSettings.py b/python/src/mas/cli/install/settings/aiSettings.py
index 05a7764557..72189f16d6 100644
--- a/python/src/mas/cli/install/settings/aiSettings.py
+++ b/python/src/mas/cli/install/settings/aiSettings.py
@@ -64,6 +64,41 @@ def generateAiCfg(self, instanceId: str, scope: str, destination: str, workspace
 
     def configAi(self, silentMode=False) -> None:
         """Configure AiCfg for MAS installation"""
+
+        # FIRST: Check MAS version - AiCfg is only supported in MAS 9.2+
+        # This must be done BEFORE checking user preferences to prevent errors on 9.1
+        mas_channel = self.getParam("mas_channel")
+        is_mas_92_or_later = False
+
+        if mas_channel:
+            try:
+                # Extract major.minor version (e.g., "9.2" from "9.2.0")
+                version_parts = mas_channel.split(".")
+                if len(version_parts) >= 2:
+                    major = int(version_parts[0])
+                    minor = int(version_parts[1])
+                    is_mas_92_or_later = (major > 9) or (major == 9 and minor >= 2)
+            except (ValueError, IndexError):
+                pass
+
+        # If MAS 9.1 or earlier, force disable AiCfg regardless of user input
+        if not is_mas_92_or_later:
+            if not silentMode:
+                self.printH1("Configure AiCfg")
+                self.printDescription(
+                    [
+                        "⚠️  IMPORTANT: AiCfg is only available in MAS 9.2 and later.",
+                        f"   Your MAS channel is: {mas_channel or 'not set'}",
+                        "",
+                        "AiCfg configuration will be skipped.",
+                        "If you upgrade to MAS 9.2+ in the future, you can configure AiCfg then.",
+                    ]
+                )
+            self.setParam("configure_aiassistant", "none")
+            print_formatted_text("⚠️  AiCfg configuration skipped (requires MAS 9.2+)")
+            return
+
+        # MAS 9.2+ - proceed with normal configuration
         if not silentMode:
             self.printH1("Configure AiCfg")
             self.printDescription(
@@ -165,3 +200,6 @@ def configAi(self, silentMode=False) -> None:
             else:
                 self.setParam("configure_aiassistant", "none")
                 print_formatted_text("AiCfg configuration skipped")
+
+
+# Made with Bob
diff --git a/python/test/install/test_dev_mode.py b/python/test/install/test_dev_mode.py
index 072c815391..7ba76d6691 100644
--- a/python/test/install/test_dev_mode.py
+++ b/python/test/install/test_dev_mode.py
@@ -109,8 +109,7 @@ def test_install_master_dev_mode(tmpdir):
         # 14. Kafka configuration
         ".*Create system Kafka instance.*": lambda msg: "y",
         ".*Kafka version.*": lambda msg: "3.8.0",
-        # 14. AiCfg configuration
-        ".*Do you want to configure AiCfg.*": lambda msg: "n",
+        # 14. AiCfg configuration - SKIPPED for MAS 9.1 (only available in 9.2+)
         # 15. Final confirmation
         ".*Use additional configurations.*": lambda msg: "n",
         ".*Proceed with these settings.*": lambda msg: "y",
@@ -193,8 +192,7 @@ def test_install_master_dev_mode_existing_catalog(tmpdir):
         # 14. Kafka configuration
         ".*Create system Kafka instance.*": lambda msg: "y",
         ".*Kafka version.*": lambda msg: "3.8.0",
-        # 14. AiCfg configuration
-        ".*Do you want to configure AiCfg.*": lambda msg: "n",
+        # 14. AiCfg configuration - SKIPPED for MAS 9.1 (only available in 9.2+)
         # 15. Final confirmation
         ".*Use additional configurations.*": lambda msg: "n",
         ".*Proceed with these settings.*": lambda msg: "y",
diff --git a/python/test/install/test_existing_catalog.py b/python/test/install/test_existing_catalog.py
index 00ae8831aa..7c8f5960b8 100644
--- a/python/test/install/test_existing_catalog.py
+++ b/python/test/install/test_existing_catalog.py
@@ -67,8 +67,7 @@ def test_install_interactive_existing_catalog(tmpdir):
         ".*Create MongoDb cluster.*": lambda msg: "y",
         # 14. Db2 configuration
         ".*Create Manage dedicated Db2 instance.*": lambda msg: "y",
-        # 14. AiCfg configuration
-        ".*Do you want to configure AiCfg.*": lambda msg: "n",
+        # 14. AiCfg configuration - SKIPPED for MAS 9.1 (only available in 9.2+)
         # 15. Final confirmation
         ".*Use additional configurations.*": lambda msg: "n",
         ".*Proceed with these settings.*": lambda msg: "y",
diff --git a/python/test/install/test_no_catalog.py b/python/test/install/test_no_catalog.py
index 67101a7c35..caea1d5e76 100644
--- a/python/test/install/test_no_catalog.py
+++ b/python/test/install/test_no_catalog.py
@@ -72,8 +72,7 @@ def test_install_interactive_no_catalog(tmpdir):
         # 14. Kafka configuration
         ".*Create system Kafka instance.*": lambda msg: "y",
         ".*Kafka version.*": lambda msg: "3.8.0",
-        # 15. AiCfg configuration
-        ".*Do you want to configure AiCfg.*": lambda msg: "n",
+        # 15. AiCfg configuration - SKIPPED for MAS 9.1 (only available in 9.2+)
         # 16. Final confirmation
         ".*Use additional configurations.*": lambda msg: "n",
         ".*Proceed with these settings.*": lambda msg: "y",
diff --git a/tekton/src/pipelines/mas-install.yml.j2 b/tekton/src/pipelines/mas-install.yml.j2
index 83f6cb13f3..ebe18ca448 100644
--- a/tekton/src/pipelines/mas-install.yml.j2
+++ b/tekton/src/pipelines/mas-install.yml.j2
@@ -495,6 +495,8 @@ spec:
 
     # 14.2 Generate AiCfg with auto-detected values
     # -------------------------------------------------------------------------
+    # Note: AiCfg CRD is only available in MAS 9.2+, so we guard this task
+    # to prevent errors on MAS 9.1 clusters
     {{ lookup('template', pipeline_src_dir ~ '/taskdefs/aiservice/gencfg-aiservice.yml.j2') | indent(4) }}
       runAfter:
         - aiservice
@@ -508,6 +510,9 @@ spec:
         - input: "$(params.configure_aiassistant)"
           operator: in
           values: ["pipeline"]
+        - input: "$(params.mas_channel)"
+          operator: notin
+          values: ["", "9.0.*", "9.1.*"]
 
     # 15. Verify health of the cluster before we consider the install complete
     # -------------------------------------------------------------------------