diff --git a/src/phasicFlow/globals/error.cpp b/src/phasicFlow/globals/error.cpp
index 7b0d3bc5..bd6a754a 100644
--- a/src/phasicFlow/globals/error.cpp
+++ b/src/phasicFlow/globals/error.cpp
@@ -69,7 +69,7 @@ pFlow::ioErrorMessage(
 )
 {
 	errorStream << "\n>>> Fatal IO file error\n"
-	            << " IO error at number " << Red_Text(fileLineNumber)
+	            << " IO error at number " << Red_Text(fileLineNumber+1)
 	            << " of file " << Red_Text(fileName) << '\n';
 	errorStream << " IO operation is peformed from function "
 	            << Red_Text(fnName) << " in file " << Red_Text(fName)
diff --git a/src/phasicFlow/streams/token/token.hpp b/src/phasicFlow/streams/token/token.hpp
index c0ba324f..ba12076c 100755
--- a/src/phasicFlow/streams/token/token.hpp
+++ b/src/phasicFlow/streams/token/token.hpp
@@ -356,7 +356,7 @@ public:
         /// Token is WORD, DIRECTIVE, STRING, VARIABLE or VERBATIM
         inline bool isStringType() const;
 
-
+        inline bool isComma()const;
     //- Access
 
         /// Return boolean token value.
diff --git a/src/phasicFlow/streams/token/tokenI.hpp b/src/phasicFlow/streams/token/tokenI.hpp
index 459018e7..db3f62b3 100755
--- a/src/phasicFlow/streams/token/tokenI.hpp
+++ b/src/phasicFlow/streams/token/tokenI.hpp
@@ -673,6 +673,13 @@ inline bool pFlow::token::isStringType() const
     return (isWord() || isString());
 }
 
+inline bool pFlow::token::isComma()const
+{
+    if( type_ == tokenType::PUNCTUATION &&
+        pToken() == punctuationToken::COMMA) return true;
+    return false;
+}
+
 inline void pFlow::token::setBad()
 {
     reset();
diff --git a/utilities/particlesPhasicFlow/positionFile/positionFile.cpp b/utilities/particlesPhasicFlow/positionFile/positionFile.cpp
index ebcbf7dd..cd55ab12 100755
--- a/utilities/particlesPhasicFlow/positionFile/positionFile.cpp
+++ b/utilities/particlesPhasicFlow/positionFile/positionFile.cpp
@@ -42,39 +42,72 @@ bool pFlow::positionFile::positionPointsFile()
 
 	token tok;
 
-	while (!is.eof() || !is.bad())
+	while (!is.bad())
 	{	
 		// read position x
-		is >> tempPoint.x_;
+
+		is >> tok;
+		if(tok.good()&& tok.isNumber()&& !is.eof())
+		{
+			tempPoint.x() = tok.realToken();
+		}
+		else
+		{
+			ioErrorInFile(is.name(), is.lineNumber())<< "Bad char or end of file in reading position x!\n";
+			return false;
+		}
 
 		if(commaSeparated_)
 		{
 			is >> tok;
-			if(tok.type() != token::COMMA)
+			if( !tok.isComma() || is.eof())
 			{
-				fatalErrorInFunction << "Error datafile format, the data not comma separated!";
+				ioErrorInFile(is.name(), is.lineNumber())<< "Bad char or end of file in reading comma!\n";
 				return false;
 			}
 		}
 
 		// read position y
-		is >> tempPoint.y_;
+		is >> tok;
+		if(tok.good()&& tok.isNumber()&& !is.eof())
+		{
+			tempPoint.y() = tok.realToken();
+		}
+		else
+		{
+			ioErrorInFile(is.name(), is.lineNumber())<< "Bad char or end of file in reading position y!\n";
+			return false;
+		}
 
 		if(commaSeparated_)
 		{
 			is >> tok;
-			if(tok.type() != token::COMMA)
+			if(!tok.isComma() || is.eof())
 			{
-				fatalErrorInFunction << "Error datafile format, the data not comma separated!";
+				ioErrorInFile(is.name(), is.lineNumber())<< "Bad char or end of file in reading comma!\n";
 				return false;
 			}
 		}
 		
 		// read position z
-		is >> tempPoint.z_;
+		is >> tok;
+		if(tok.good()&& tok.isNumber()&& !is.eof())
+		{
+			tempPoint.z() = tok.realToken();
+		}
+		else
+		{
+			ioErrorInFile(is.name(), is.lineNumber())<< "Bad char or end of file in reading position z!\n";
+			return false;
+		}
 
 		// insert position data to vector
 		position_.push_back(tempPoint);
+
+		is>>tok;
+		if(is.eof()) break;
+
+		is.putBack(tok);
 	}
 
 	REPORT(0) << "Done!" << END_REPORT;
@@ -104,7 +137,7 @@ pFlow::positionFile::positionFile
 	position_
 	(
 		"position", 
-		max(maxNumberOfParticles(), position_.size()), 
+		1, 
 		0,
 		RESERVE()
 	)