用gaussian09 计算Fe2+络合时提交任务时出现the processing of the last link ended abnormally。提示如下

>>>>>>>>>> Convergence criterion not met.
SCF Done:  E(UB3LYP) =  -2023.17774558     A.U. after  129 cycles
             Convg  =    0.1577D-06             -V/T =  2.0045
<Sx>= 0.0000 <Sy>= 0.0000 <Sz>= 0.0000 <S**2>= 0.0000 S= 0.0000
<L.S>= 0.000000000000E+00
KE= 2.014074460649D+03 PE=-7.063058790871D+03 EE= 1.868982135837D+03
Annihilation of the first spin contaminant:
S**2 before annihilation     0.0000,   after     0.0000
Convergence failure -- run terminated.
Error termination via Lnk1e in D:\ruanjian\g09C01window\G09W\l502.exe at Sun Dec 11 20:26:10 2016.
Job cpu time:  0 days  0 hours 46 minutes 28.0 seconds.
File lengths (MBytes):  RWF=    119 Int=      0 D2E=      0 Chk=      2 Scr=      1
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