Programming

my C++ Compiler is ACC version
aCC: HP ANSI C++ B3910B A.03.85
OS Version B.11.11
this my program error message
I don't know what error it is

aCC -g -DHPUX -DCHT_DEBUG -DNOSTD -c CProcess.cpp
Error 181: "CProcess.cpp", line 83 # Expected 0 argument(s) for "void list<_process_data,allocator>::sort()"; had 1
instead.
m_data.sort(CProcess::sort_predicate);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Error 181: "CProcess.cpp", line 84 # Expected 0 argument(s) for "void list<_process_data,allocator>::unique()"; had 1
instead.
m_data.unique(CProcess::unique_predicate);
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
*** Error exit code 2

You are passing a parameter (argument) to each of these two items. Look at your class definition.