index.js: Tweak undefined error code 9

To be consistent with the similarly undefined error code 0.
yaacov · Feb 8, 2024 · 16a14c1 · 16a14c1
1 parent 469d65c
commit 16a14c1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/index.js b/index.js
@@ -44,7 +44,7 @@ var modbusErrorMessages = [
     /*code 6=*/"Slave device busy (retry request again later)",
     /*code 7=*/"Negative acknowledge (slave device cannot perform programming functions)",
     /*code 8=*/"Memory parity error (slave device detected a parity error in memory)",
-    /*code 9=*/undefined,
+    /*code 9=*/"Unknown error",
     /*code10=*/"Gateway path unavailable (misconfigured gateway)",
     /*code11=*/"Gateway target device failed to respond (retry request again later)"
 ];