Prepare For Output: Strip comma values from numbers

String [] variables = {"LAST_MARKET_SALE_SALE_PRICE"};

i = 0;

// Iterate through each variable in the array above
while (i < variables.length){

    //Get the variables to be fixed
    value = session.getVariable(variables[i]);

    //Log the UNFIXED values
    session.log("UNFIXED: " + variables[i] + " = " + value);

    if(value != null){
        //Remove non-numerical elements
        value = value.replaceAll(",", "");

        // Set variables with new values
        dataRecord.put(variables[i], value);
        session.setVariable(variables[i], value);

        //Log the FIXED values
        session.log("FIXED " + variables[i] + " = " + session.getVariable(variables[i]));
        }
    i++;
}

Processing script: "09 Write Los Angeles Multi-Family"
Writing data to a file.
UNFIXED: LAST_MARKET_SALE_SALE_PRICE = $132,000
An error occurred while processing the script: 09 Write Los Angeles Multi-Family
The error message was: class bsh.EvalError (line 7): try { -- Attempt to invoke method: put() on undefined variable or class name: dataRecord
08 Realist Property Details for LAMF: Applying extractor pattern: HAS_NEXT_PAGE
08 Realist Property Details for LAMF: Extracting data for pattern "HAS_NEXT_PAGE"

try
{