Expdp when encountering ORA-39097 & ORA-39065 & ORA-39079 & ORA-06512 & ORA-24033 & expdpora-39097 &

Expdp when encountering ORA-39097 & ORA-39065 & ORA-39079 & ORA-06512 & ORA-24033, expdpora-39097
Expdp ORA-39097 & ORA-39065 & ORA-39079 & ORA-06512 & ORA-24033
In expdp, various errors are reported. I am also drunk. The version is 11.2.0.1, And the expdp command is:
Nohup expdp HQ_X1/HQ_X1 DUMPFILE = HQ_X1 % u. dmp directory = DIR1 parallel = 8 flashback_scn = 10838324803 &
ORA-39097: Data Pump job encountered unexpected error-39079
ORA-39065: unexpected master process exception in DISPATCH
ORA-39079: unable to enqueue message RP, KUPC $ c_000020150623215653, MCP, KUPC $ a_000020150623224430, 1, Y
ORA-06512: at "SYS. DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS. KUPC $ QUE_INT", line 965
ORA-24033: no recipients for message
ORA-39065: unexpected master process exception in SEND
ORA-39079: unable to enqueue message RP, KUPC $ c_000020150623215653, MCP, KUPC $ a_000020150623224430, 1, Y
ORA-06512: at "SYS. DBMS_SYS_ERROR", line 86
ORA-06512: at "SYS. KUPC $ QUE_INT", line 965
ORA-24033: no recipients for message
This error is often related to aq_tm_processes = 0. After checking the aq_tm_processes parameter, it is found that it is set to 0,
Set it to The value aq_tm_processes> 1 to solve the problem.