Error via Link L502!!!

[Sidney Ramos <sidney.ramos[ AT ]dqfex.ufpe.br>]

    Dear CCL Users,
     I have been trying to calculate the rotation barrier in a
 benzamidoxime by the method B3LYP/6-31G* using the keyword "Scan" in
 the
 Gaussian 98, however after the last step the program stop and write the
 messages bellow:
 > Requested convergence on MAX density matrix=1.00D-06.
 > Integral accuracy reduced to 1.0D-05 until final iterations.
 > Problem detected with inexpensive integrals.
 > Switching to full accuracy and repeating last cycle.
 > Warning!  Spurious integrated density:
 > NE=   72 NElCor=    0 Integral=    0.00000 Tolerance=1.00D-03
 > Consistency failure #2 in CalDSu.
 > Error termination via Lnk1e in
 /net/frevo/export/local/bin//g98/l502.exe.
 > Job cpu time:  0 days  7 hours 32 minutes 24.1 seconds.
 > File lengths (MBytes):  RWF=   29 Int=    0 D2E=    0 Chk=   11
 Scr=    1
  How do I solve this problem?
  Thanks for any help!
     Sidney Ramos
     DQF - CCEN - UFPE