Game freezes

[nierewa]

Hi,

I play Castlevania Aria of Sorrow (E) (Eurasia).
The game freezes suddenly if I kill an enemy.
Now it freezes if I go through a room.
So I can't end the game.

The log:

Warning: Illegal opcode: 0000e8bd

Game-Errors:

[GAME ERROR] GBA Memory: Bad memory Store32: 0x0000000C
[GAME ERROR] GBA Memory: Bad memory Store32: 0x00000010
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x00000000
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x00000002
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x00000004
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x00000006
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x00000008
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x0000000A
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x0000000C
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x0000000E
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x00000010
[GAME ERROR] GBA Memory: Bad BIOS Load16: 0x00000012
[GAME ERROR] GBA Memory: Bad memory Store16: 0x00000002
[GAME ERROR] GBA Video: Invalid video register: 0x04E
[GAME ERROR] GBA Video: Invalid video register: 0x056
[GAME ERROR] GBA Memory: Bad memory Store8: 0x00000000
[GAME ERROR] GBA Memory: Bad memory Store8: 0x00000001
[GAME ERROR] GBA Memory: Bad memory Store16: 0x00000002
[GAME ERROR] GBA Memory: Bad memory Store32: 0x00000004
[GAME ERROR] GBA Memory: Bad memory Store32: 0x00000008
[GAME ERROR] GBA Memory: Bad memory Store32: 0x0000000C
[GAME ERROR] GBA Memory: Bad memory Store32: 0x00000010

What can I do?

Thanks