Solving this issue to perform the follow the instructions:
1) Full Compile Ax
2) Stop AOS Services.
3) Go to the Server Path: C:\Program Files\Microsoft Dynamics AX\60\Server\InstanceName\bin\XppIL \ delete all DLL and netModule files.
4) Truncate the records in the SysXppAssembly table in the Model database.
syntax: Truncate table SysXppAssembly .
5) Start the AOS.
6) Perform Full CIL Compilation.
