Why does this error message occur when trying to run DPEssence miner overnight?

After like 40-50 loads this message comes up and my guy gets logged out. and not signed back in. (THIS IS NOT A RANDOM EVENT). pleaseeeeee help.



[09:02:09][ DPEssence] java.lang.NullPointerException
at com.speljohan.rsbot.script.Methods.atObject(Method s.java:2018)
at DPEssence.usePortal(DPEssence.java:410)
at DPEssence.doBank(DPEssence.java:295)
at DPEssence.loop(DPEssence.java:82)
at com.speljohan.rsbot.script.Script.run(Script.java: 102)
at com.speljohan.rsbot.script.ScriptHandler$1.run(Scr iptHandler.java:70)
at java.lang.Thread.run(Unknown Source)

[09:02:11][ DPEssence] Script stopped.

 

probably becouse you get the classroom random.

 

Did you even read his post? (THIS IS NOT A RANDOM EVENT)

Besides, when you get the classroom random, the script stops in a controlled manner, not with an error. It also tells you that it got the classroom random