Valkyria Chronicles 2 - ULUS10515

[reinardium]

could someone help me, I could start the game just fine, I also could save the file, but every time I finish the prologue mission (after the experience show), it just turn black all of the sudden, I get this kind of log showing.

Code:

255360 [Odin_Main] ERROR runtime - Catched Throwable in RuntimeThread:
java.lang.NullPointerException        
at jpcsp.HLE.modules150.sceFont$FontLib.access$1000(sceFont.java:441)        
at jpcsp.HLE.modules150.sceFont.sceFontDoneLib(sceFont.java:820)        
at _S1_3_8CB0B30.s(_S1_3_8CB0B30.java:4)        
at _S1_3_880D18C.s(_S1_3_880D18C.java:20)        
at _S1_3_880D1D4.s(_S1_3_880D1D4.java:20)        
at _S1_3_8966D14.s(_S1_3_8966D14.java:60)        
at _S1_3_8966D14.exec(_S1_3_8966D14.java)        
at jpcsp.Allegrex.compiler.RuntimeContext.jumpCall(RuntimeContext.java:135)  
at jpcsp.Allegrex.compiler.RuntimeContext.call(RuntimeContext.java:214)        
at _S1_3_8BD8744.s(_S1_3_8BD8744.java:92)        
at _S1_3_8BD8744.exec(_S1_3_8BD8744.java)        
at jpcsp.Allegrex.compiler.RuntimeContext.jumpCall(RuntimeContext.java:135)        
at jpcsp.Allegrex.compiler.RuntimeContext.call(RuntimeContext.java:214)        
at _S1_3_8BD8744.s(_S1_3_8BD8744.java:92)        
at _S1_3_8845280.s(_S1_3_8845280.java:72)        
at _S1_3_8C90DCC.s(_S1_3_8C90DCC.java:120)        
at _S1_3_8C90DCC.exec(_S1_3_8C90DCC.java)        
at jpcsp.Allegrex.compiler.RuntimeContext.jumpCall(RuntimeContext.java:135)        
at jpcsp.Allegrex.compiler.RuntimeContext.call(RuntimeContext.java:214)        
at _S1_3_8BD8744.s(_S1_3_8BD8744.java:92)        
at _S1_3_8C8FC5C.s(_S1_3_8C8FC5C.java:48)        
at _S1_3_8C8FC5C.exec(_S1_3_8C8FC5C.java)        
at jpcsp.Allegrex.compiler.RuntimeContext.jumpCall(RuntimeContext.java:135)        
at jpcsp.Allegrex.compiler.RuntimeContext.call(RuntimeContext.java:214)        
at _S1_3_8BD7F18.s(_S1_3_8BD7F18.java:348)        
at _S1_3_8BD7F18.s(_S1_3_8BD7F18.java:232)        
at _S1_3_8BD80B4.s(_S1_3_8BD80B4.java:64)        
at _S1_3_8844FF0.s(_S1_3_8844FF0.java:496)        
at _S1_3_8804740.s(_S1_3_8804740.java:252)        
at _S1_3_8804740.exec(_S1_3_8804740.java)        
at jpcsp.Allegrex.compiler.RuntimeContext.jumpCall(RuntimeContext.java:135)        
at jpcsp.Allegrex.compiler.RuntimeContext.call(RuntimeContext.java:214)        
at _S1_3_8BD9070.s(_S1_3_8BD9070.java:100)        
at _S1_3_8804270.s(_S1_3_8804270.java:280)        
at _S1_3_8BA6BE8.s(_S1_3_8BA6BE8.java:268)        
at _S1_3_8BA6BE8.exec(_S1_3_8BA6BE8.java)        
at jpcsp.Allegrex.compiler.RuntimeContext.runThread(RuntimeContext.java:690)        
at jpcsp.Allegrex.compiler.RuntimeThread.run(RuntimeThread.java:51)

I use the rev 2373, is there a way to fix it? I really want to play it.
thanks before.