oppo R815 read error

problem read oppo R815 with CM V1.49
here is log:

Sync…
Inital Boot Ok!
BB_CPU_PID : 6583
BB_CPU_NME : [MediaTek] MT6583|6589_S00
BB_CPU_EXT : 0xCA01 , 0x8A00 , 0x0000
Processing BROM stage
Settings for BROM configured!
SecCfgVal : 0x00000000
BromVer : 0x0005
BLVersion : 0x00FE
PreLoader : NOT Active [ Erased ]
BootLdrSS : NORMAL with SPRELOADER
Processing DA stage
DA Select done, will use MTK_AllInOne_DA_v5.1620.10.01
Sending and initialize DA …
Running DA ver.3.2 on BBID : 0x86
NAND Flash : NOT INSTALLED
eMMC Flash : 4B0001153030534A8FFC034D6780706D
Initialize Memory …

[DA_ERROR] : DRAM Configure failed!
ErroCode : 0x2003
EMICFG_NOT_FOUND
TRY NOT HOLD VOLUME(+/-) KEYS ON CONNECT!
Boot Error!

Operation Failed
Elapsed: 00.00.30
Reconnect Power/Cable!

phone condition normal, boot key & driver ok