Application error

Thanks for reply. What is solution for that? i am trying to compile source code of porting ucos on 8051 using keil uVision2.but while compiling it is giving. error as C51.exe Application error....
Application error

The instruction at "0x0044ef97" referenced memory at 0x0000000.The memory could not be written.
Application error

The instruction at "0x0044ef97" referenced memory at 0x0000000.The memory could not be written.
Application error

Thanks for reply. What is solution for that? i am trying to compile source code of porting ucos on 8051 using keil uVision2.but while compiling it is giving. error as C51.exe Application error....
C51:( LINk Error) fatal error: application calls too many recursions.

while using Keil8.04 compiling and link, there is a fatal error: *** WARNING L13: RECURSIVE CALL TO SEGMENT SEGMENT: ?CO?MAIN CALLER: ?PR?DISP_MOTORSETUP?MAIN *** WARNING L13: RECURSIVE CALL TO SEGMENT...