我已经厌倦了备份和还原Oracle数据库，但是每次有人告诉我此问题的解决方案时，都会显示相同的错误
出现这种类型的错误的原因是什么
IMP-00009：导出文件异常结束
Warning: the objects were exported by PSSL, not by you
import done in WE8MSWIN1252 character set and AL16UTF16 NCHAR character set
. importing PSSL's objects into SYS
. . importing table "APPS_OPBAL" 6209 rows imported
. . importing table "APPS_OPSTK" 4128 rows imported
. . importing table "BCL_AVGPL" 37410 rows imported
. . importing table "CL_BONUS" 4811 rows imported
. . importing table "CL_BSREVERSE" 2509 rows imported
. . importing table "CL_BUYSALE" 160742 rows imported
. . importing table "CL_CDBLFEE" 16178 rows imported
. . importing table "CL_CDBLSTK" 26623 rows imported
. . importing table "CL_CERTIFICATE" 6921 rows imported
. . importing table "CL_MRATE_CSE" 368606 rows imported
. . importing table "CL_MRATE_DSE" 0 rows imported
. . importing table "CL_RECEIVE" 13868 rows imported
. . importing table "CL_RECV_MST" 4057 rows imported
. . importing table "CL_REFERENCE" 0 rows imported
. . importing table "CL_REFMST" 0 rows imported
. . importing table "CL_REQPAY" 9666 rows imported
. . importing table "CL_REQPAY_MST" 5353 rows imported
. . importing table "CL_RIGHT" 0 rows imported
. . importing table "CL_SEC" 2 rows imported
. . importing table "CL_SETTLEMENT" 1905 rows imported
. . importing table "CL_TRANS_CHQRP" 23208 rows imported
. . importing table "GL_ACCHART" 7868 rows imported
. . importing table "GL_ACCHART_CTRL" 198 rows imported
. . importing table "GL_BALANCESHEET" 0 rows imported
. . importing table "GL_BSHEET" 21 rows imported
. . importing table "GL_CHQBOOK" 0 rows imported
. . importing table "GL_CHQNO" 0 rows imported
. . importing table "GL_CHQNO1" 0 rows imported
. . importing table "GL_MASTER" 231583 rows imported
. . importing table "GL_RECON" 28685 rows imported
. . importing table "GL_TRANS" 7593 rows imported
. . importing table "GL_TRANS_JV" 30067 rows imported
. . importing table "NGTS_CLIENT" 53159 rows imported
. . importing table "NGTS_SCRIPT" 0 rows imported
. . importing table "PCL_AVGPL" 37489 rows imported
. . importing table "PCL_BAL25" 0 rows imported
. . importing table "PCL_BALANCE" 5193623 rows imported
. . importing table "PCL_BAL_CL" 4750948 rows imported
. . importing table "PCL_BAL_MATURED" 21862 rows imported
. . importing table "PCL_BAL_OP" 4736213 rows imported
. . importing table "PCL_BAL_TRANS" 205464 rows imported
. . importing table "PCL_BUYSALE" 74671 rows imported
. . importing table "PCL_BUYSALE0206" 392 rows imported
. . importing table "PCL_NETPL" 0 rows imported
. . importing table "PCL_RECVISSUE" 14724 rows imported
. . importing table "PCL_STK_CL" 4957536 rows imported
. . importing table "PCL_STK_MATURED" 37934 rows imported
. . importing table "PCL_STK_OP" 13439383 rows imported
. . importing table "PCL_STK_RATE" 13457171 rows imported
. . importing table "PCL_STOCK"
IMP-00009: abnormal end of export file
IMP-00018: partial import of previous table completed: 10865925 rows imported
Import terminated successfully with warnings.