帮我看看这是个什么错误，谢谢了！

Log: Compile

Filter: Only errors and warnings

Compiling all charts as program WOOD-RTX\WinLC RTX\WN_RTX_PROG on 3/29/2012 4:26:05 PM
Generate block drivers: on
Generating SCL sources: off
Set sampling times from 3/29/2012 4:26:06 PM
Setting sampling times completed: 3/29/2012 4:26:06 PM.
W: OB0 not supported by this CPU.
Error messages from the SCL compilers during generation of the OB0 block

E: E: Error accessing block (offline).
End of code generator: 3/29/2012 4:26:17 PM
1 error(s) and 1 warning(s) found