diff --git a/Source/CustomEnvelopeComponent.cpp b/Source/CustomEnvelopeComponent.cpp
index fcefe30..aa43be5 100644
--- a/Source/CustomEnvelopeComponent.cpp
+++ b/Source/CustomEnvelopeComponent.cpp
@@ -153,6 +153,10 @@ void CustomEnvelopeComponent::textEditorTextChanged (TextEditor& editor)
 
     ParseError err = kParseErrorNone;
     processor.settingRefs.setSequenceWithString (paramType, txt, &err);
+    
+    ColorScheme cs = ColorScheme (processor.settingRefs.colorSchemeType());
+    Colour c = (err < kParseErrorLevelFatal) ? cs.main : cs.warning;
+    label->setColour (juce::Label::textColourId, c);
 
     if (err == kParseErrorValueOutOfRange)
     {
diff --git a/Source/FrameSequenceParseErrors.cpp b/Source/FrameSequenceParseErrors.cpp
index 8e05e4f..3e7cd37 100644
--- a/Source/FrameSequenceParseErrors.cpp
+++ b/Source/FrameSequenceParseErrors.cpp
@@ -14,6 +14,18 @@ String getParseErrorString (ParseError err, int minValue, int maxValue)
 {
     switch (err)
     {
+        case kParseWarningPreRepeatSegmentEmpty:
+            return TRANS ("Main body of the sequence is empty");
+            break;
+
+        case kParseWarningRepeatSegmentEmpty:
+            return TRANS ("Repeat section is empty");
+            break;
+
+        case kParseWarningReleaseSegmentEmpty:
+            return TRANS ("Release section is empty");
+            break;
+
         case kParseErrorDuplicatedReleaseDelimiter:
             return TRANS ("You cannot use \"|\" more than once");
             break;
diff --git a/Source/FrameSequenceParseErrors.h b/Source/FrameSequenceParseErrors.h
index 3afa5fe..db6ca3a 100644
--- a/Source/FrameSequenceParseErrors.h
+++ b/Source/FrameSequenceParseErrors.h
@@ -15,6 +15,9 @@ enum ParseError
 {
     kParseErrorNone = 0,
     kParseErrorLevelWarning,
+    kParseWarningPreRepeatSegmentEmpty,
+    kParseWarningRepeatSegmentEmpty,
+    kParseWarningReleaseSegmentEmpty,
     kParseErrorLevelFatal,
     kParseErrorDuplicatedReleaseDelimiter,
     kParseErrorDuplicatedOpenBracket,
diff --git a/Source/FrameSequenceParser.cpp b/Source/FrameSequenceParser.cpp
index e6ba71d..d1f4350 100644
--- a/Source/FrameSequenceParser.cpp
+++ b/Source/FrameSequenceParser.cpp
@@ -438,6 +438,9 @@ FrameSequence FrameSequenceParser::parse (const String& input,
     {
         return fs;
     }
+    if (sequence.size() == 0) {
+        *error = kParseWarningPreRepeatSegmentEmpty;
+    }
 
     fs.sequence = sequence;
     fs.sequence.reserve (1000);
@@ -456,6 +459,10 @@ FrameSequence FrameSequenceParser::parse (const String& input,
         {
             return fs;
         }
+        if (repeatSeq.size() == 0) {
+            // Repeat section is defined but content is empty
+            *error = kParseWarningRepeatSegmentEmpty;
+        }
 
         //   Add the result to working frameSequence
         fs.sequence.insert (fs.sequence.end(), repeatSeq.begin(), repeatSeq.end());
@@ -477,6 +484,10 @@ FrameSequence FrameSequenceParser::parse (const String& input,
         {
             return fs;
         }
+        if (releaseSeq.size() == 0) {
+            // Release section is defined but content is empty
+            *error = kParseWarningRepeatSegmentEmpty;
+        }
 
         //   Add the result to working frameSequence
         fs.sequence.insert (fs.sequence.end(), releaseSeq.begin(), releaseSeq.end());