Hi,
can you try the simple setting at DTP
DTP go to menu -> GOTO -> Settings for batch manager -> change the number of parallel process from 3 to 2 or 1 , SAVE and execute the DTP again.
decrease the data packet size -50,000 to 20,000.
if not solving the problem please check the below notes.
1491745 & 1637633
Thanks,
Phani.