DL_POLY_2 has two strategies for parallelization of the reciprocal space part
of the Ewald sum. If EWALD1 is used the
parameter mxewld should equal the parameter msatms. If
EWALD1A is used this parameter should equal mxatms.
Action:
Standard user response. Set the parameter mxewld to the value appropriate for the version of EWALD1 you
are using. Recompile the program.