nRF51822用Keil下载是出现错误

nRF51822 青风平台 QFAA (256K + 16K)
KEIL4
JLINK-V8
使用青风的test code (Heart Rate System)
协议栈 88KB

LOAD以后： (下面红色字体有关的错误，红色是我加的)
======================================

Target info:
------------
Device: nRF51822_xxAA
VTarget = 3.662V
State of Pins:
TCK: 0, TDI: 0, TDO: 0, TMS: 1, TRES: 1, TRST: 0
Hardware-Breakpoints: 4
Software-Breakpoints: 8192
Watchpoints:          2
JTAG speed: 2000 kHz

***JLink Error: RAM area configured for this target is too small.
Erase Done.
Programming Done.
Verify OK.
* JLink Info: Reset: Halt core after reset via DEMCR.VC_CORERESET.
* JLink Info: Reset: Reset device via AIRCR.SYSRESETREQ.
Application running ...


系统运行似乎是正常的，但是这个JLINK 错误 如何解释呢？
我已经更新 JLINK驱动软件到2018年最新版本 (V635D)

程序RAM区你变动了