Fix: Update slug validation error message

src/lib/entityValidationSchemas.ts

@@ -316,7 +316,7 @@ export async function validateEntityData(
     if (!isSlugUnique) {
       blockingErrors.push({
         field: 'slug',
-        message: 'This slug is already in use. Please choose a unique slug',
+        message: 'This slug is already in use. Manually check if this entity already exists, and reject if so. Otherwise, escalate to an admin for manual editing of the slug.',
         severity: 'blocking',
       });
     }