diff --git a/invokeai/frontend/web/public/locales/en.json b/invokeai/frontend/web/public/locales/en.json
index 3ee4eabb90..079423ba52 100644
--- a/invokeai/frontend/web/public/locales/en.json
+++ b/invokeai/frontend/web/public/locales/en.json
@@ -1399,7 +1399,7 @@
         "fluxFillIncompatibleWithT2IAndI2I": "FLUX Fill is not compatible with Text to Image or Image to Image. Use other FLUX models for these tasks.",
         "imagenIncompatibleGenerationMode": "Google {{model}} supports Text to Image only. Use other models for Image to Image, Inpainting and Outpainting tasks.",
         "chatGPT4oIncompatibleGenerationMode": "ChatGPT 4o supports Text to Image and Image to Image only. Use other models Inpainting and Outpainting tasks.",
-        "fluxKontextIncompatibleGenerationMode": "FLUX Kontext supports Text to Image only. Use other models for Image to Image, Inpainting and Outpainting tasks.",
+        "fluxKontextIncompatibleGenerationMode": "FLUX Kontext does not support generation from images placed on the canvas. Re-try using the Reference Image section and disable any Raster Layers.",
         "problemUnpublishingWorkflow": "Problem Unpublishing Workflow",
         "problemUnpublishingWorkflowDescription": "There was a problem unpublishing the workflow. Please try again.",
         "workflowUnpublished": "Workflow Unpublished",
diff --git a/invokeai/frontend/web/src/features/nodes/util/graph/generation/buildFluxKontextGraph.ts b/invokeai/frontend/web/src/features/nodes/util/graph/generation/buildFluxKontextGraph.ts
index 175f9e2725..8530efb170 100644
--- a/invokeai/frontend/web/src/features/nodes/util/graph/generation/buildFluxKontextGraph.ts
+++ b/invokeai/frontend/web/src/features/nodes/util/graph/generation/buildFluxKontextGraph.ts
@@ -26,7 +26,7 @@ export const buildFluxKontextGraph = (arg: GraphBuilderArg): GraphBuilderReturn
   assert(model.base === 'flux-kontext', 'Selected model is not a FLUX Kontext API model');
 
   if (generationMode !== 'txt2img') {
-    throw new UnsupportedGenerationModeError(t('toast.imagenIncompatibleGenerationMode', { model: 'FLUX Kontext' }));
+    throw new UnsupportedGenerationModeError(t('toast.fluxKontextIncompatibleGenerationMode'));
   }
 
   log.debug({ generationMode, manager: manager?.id }, 'Building FLUX Kontext graph');