---
title: "MetaTrader 5 Client Terminal build 249 - Release Notes"
description: "MQL5: Fixed an error in the access to a selected position. MQL5: Fixed an error in passing of NULL as a string parameter to a system... - Release Notes"
image: "https://www.metatrader5.com/i/logo_metatrader5.png"
---

# MetaTrader 5 Client Terminal build 249

## MQL5: Fixed an error in the access to a selected position. MQL5: Fixed an error in passing of NULL as a string parameter to a system call

19 February 2010

1. MQL5: Fixed an error in the access to a selected position.
2. MQL5: Fixed an error in passing of NULL as a string parameter to a system call.
3. MQL5: The definition of the fifth parameter (parameters_array[]) of the IndicatorCreate() function has changed - now it's a constant parameter.

**Earlier publications:**

- [MetaTrader 5 Client Terminal build 248](https://www.metatrader5.com/en/releasenotes/terminal/248)
- [MetaTrader 5 Client Terminal builds 247](https://www.metatrader5.com/en/releasenotes/terminal/247)
- [MetaTrader 5 Client Terminal builds 246](https://www.metatrader5.com/en/releasenotes/terminal/246)
- [MetaTrader 5 Client Terminal build 245](https://www.metatrader5.com/en/releasenotes/terminal/245)
- [MetaTrader 5 Client Terminal build 242](https://www.metatrader5.com/en/releasenotes/terminal/242)