From 88ceba59cfe40d3d1b010b9e89001c0bc7ddccbf Mon Sep 17 00:00:00 2001
From: Scott Bailey <scottrbailey@gmail.com>
Date: Thu, 2 Sep 2021 22:56:49 -0700
Subject: [PATCH] Fix error 12 issues

---
 wled00/ir.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/wled00/ir.cpp b/wled00/ir.cpp
index 30dae3db..63b5410f 100644
--- a/wled00/ir.cpp
+++ b/wled00/ir.cpp
@@ -71,9 +71,11 @@ void decBrightness()
 // apply preset or fallback to a effect and palette if it doesn't exist
 void presetFallback(uint8_t presetID, uint8_t effectID, uint8_t paletteID) 
 {
+  byte prevError = errorFlag;
   if (!applyPreset(presetID, CALL_MODE_BUTTON)) { 
     effectCurrent = effectID;      
     effectPalette = paletteID;
+    errorFlag = prevError; //clear error 12 from non-existent preset
   }
 }
 
@@ -566,16 +568,17 @@ void decodeIRJson(uint32_t code)
   char objKey[10];
   const char* cmd;
   String cmdStr;
+  byte irError;
   DynamicJsonDocument irDoc(JSON_BUFFER_SIZE);
   JsonObject fdo;
   JsonObject jsonCmdObj;
 
   sprintf(objKey, "\"0x%X\":", code);
 
-  errorFlag = readObjectFromFile("/ir.json", objKey, &irDoc) ? ERR_NONE : ERR_FS_PLOAD;
+  irError = readObjectFromFile("/ir.json", objKey, &irDoc) ? ERR_NONE : ERR_FS_PLOAD;
   fdo = irDoc.as<JsonObject>();
   lastValidCode = 0;
-  if (!errorFlag) 
+  if (!irError) 
   {
     cmd = fdo["cmd"];
     cmdStr = String(cmd);