constantly truncate or even delete part of code | OpenAI | Page 1

chatgpt is constantly deleting important part of the code i give it or truncate its answer, for example:

for (var i = 0; i < groupNames.length; i++) {
sheet.getRange(currentRow, 1, 1, columnHeaders.length).merge();
sheet.getRange(currentRow, 1).setValue(groupNames[i]).setHorizontalAlignment('center');
var color = getPastelColor(i);
sheet.getRange(currentRow, 1, 1, columnHeaders.length).setBackground(color);
currentRow++;

sheet.getRange(currentRow, 1).setDataValidation(defaultRule);
sheet.getRange(currentRow, 2).setDataValidation(defaultRule);

// ... rest of the code remains the same

}
}

// ... rest of the code remains the same

while the prompt was clearly saying:

adjust dropdown list and reference accordingly and provide a full copy of the modified code:

#constantly truncate or even delete part of code