diff --git a/core/archipelago/src/api/rpc/middleware.rs b/core/archipelago/src/api/rpc/middleware.rs
index bba77598..0b6c093e 100644
--- a/core/archipelago/src/api/rpc/middleware.rs
+++ b/core/archipelago/src/api/rpc/middleware.rs
@@ -84,6 +84,33 @@ pub(super) fn sanitize_error_message(msg: &str) -> String {
         // Masking sent the operator to journalctl again (framework-pt
         // sweep, 2026-08-06) — same lesson as the two above.
         "Failed to send",
+        // A frontend newer than the daemon calls methods it doesn't have.
+        // Masked, this reads as "the feature is broken" instead of "this
+        // node needs its update" — hit live the moment the .126 LoRa panel
+        // was deployed ahead of its binary (2026-08-06).
+        "Unknown method",
+        // RNode RF settings validation (mesh::rnode_settings::validate) —
+        // every one names the offending field and its legal range, which is
+        // the entire point of validating before touching the radio.
+        "frequency ",
+        "bandwidth ",
+        "spreading factor ",
+        "coding rate ",
+        "tx power ",
+        "airtime_limit_short",
+        "airtime_limit_long",
+        "port must be an absolute",
+        "Invalid settings",
+        "Missing 'settings'",
+        // Mesh preconditions the operator can act on directly.
+        "Mesh service not running",
+        "No mesh device connected",
+        "Mesh listener not running",
+        "MeshCore radios have no remote reboot",
+        "Radio state read-back",
+        "The radio daemon did not answer",
+        "The radio did not acknowledge",
+        "RNode interface is disabled",
         // Lightning payment failures carry LND's reason ("invoice expired.
         // Valid until …", "no route", …) — the user can act on every one of
         // them, and masking sent the operator to journalctl (invoice-expired