alert中抓取的消息：
Errors in file /u01/app/oracle/diag/rdbms/maafc/afc1/trace/afc1_pmon_18067.trc:
ORA-24756: transaction does not exist
Tue Apr 12 11:49:14 2022
Errors in file /u01/app/oracle/diag/rdbms/maafc/afc1/trace/afc1_pmon_18067.trc:
ORA-24756: transaction does not exist
Tue Apr 12 11:49:24 2022
Errors in file /u01/app/oracle/diag/rdbms/maafc/afc1/trace/afc1_pmon_18067.trc:
ORA-24756: transaction does not exist
Tue Apr 12 11:49:34 2022
Errors in file /u01/app/oracle/diag/rdbms/maafc/afc1/trace/afc1_pmon_18067.trc:
ORA-24756: transaction does not exist
具体文件里面的内容：

[oracle@bjnewrac1 trace]$ tail -f /u01/app/oracle/diag/rdbms/maafc/afc1/trace/afc1_pmon_18067.trc

*** 2022-04-12 11:49:44.425
found process 0xca14570a0 pid=68 serial=7 ospid = 1160 dead

*** 2022-04-12 11:49:44.428
kssxdl: error deleting SO: 0xcb6855ea8 = transaction (56)
----------------------------------------
SO: 0xcb6855ea8, type: 56, owner: 0xc89a26f00, flag: INIT/-/-/0x00 if: 0x3 c: 0x3
proc=0xca14570a0, name=transaction, file=ktccts.h LINE:410, pg=0
ORA-24756: transaction does not exist

*** 2022-04-12 11:49:54.429
found process 0xca14570a0 pid=68 serial=7 ospid = 1160 dead

*** 2022-04-12 11:49:54.432
kssxdl: error deleting SO: 0xcb6855ea8 = transaction (56)
----------------------------------------
SO: 0xcb6855ea8, type: 56, owner: 0xc89a26f00, flag: INIT/-/-/0x00 if: 0x3 c: 0x3
proc=0xca14570a0, name=transaction, file=ktccts.h LINE:410, pg=0
ORA-24756: transaction does not exist

*** 2022-04-12 11:50:04.434
found process 0xca14570a0 pid=68 serial=7 ospid = 1160 dead

*** 2022-04-12 11:50:04.436
kssxdl: error deleting SO: 0xcb6855ea8 = transaction (56)
----------------------------------------
SO: 0xcb6855ea8, type: 56, owner: 0xc89a26f00, flag: INIT/-/-/0x00 if: 0x3 c: 0x3
proc=0xca14570a0, name=transaction, file=ktccts.h LINE:410, pg=0
ORA-24756: transaction does not exist

这是什么原因造成这样的问题的那。