i am performing ONIOM calculations using two layers in Gassian 09 ,employing (B3LYP/6-31G+(d): amber=hardfirst) method. i often get an error of "Read MM parameter file:
End of file in RdPar. i have tried the possible solutions but none seem to be working.like i used scf=qc/scf=xqc to try and resolve the issue. please help me,i am still new to the field of computational.