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padmanabhr582914
New Participant
Jul 16, 2026 8:32 PM UTC
Question

system error 4ac94:9e175

Hello, 

A user has reported the following error in the attached screenshot.  I tried to open tomcat from the system logs to analyze the error but I could not.

Can you please let me know how to resolve this error? 

is it in the process model/instance or somewhere else?

Thank you

Raj

5 replies

shivakanthreddyp0001
Inspiring
Jul 16, 2026 11:51 PM UTC

Did you check in the design_errors.csv file with above identifier?

srisairp986473
Participating Frequently
Jul 21, 2026 8:23 PM UTC

Thanks for raising this. I'm curious—when troubleshooting errors like this, what are the first places you usually check? Do you start with application server logs, process instances, or the application itself?

stefanhelzle0001
stefanhelzle0001
Brainy
Aug 23, 2026 9:56 AM UTC

First: design_errors.csv

Then I check other log files beginning with the tomcat std out.

    adityag9712
    adityag9712
    Inspiring
    Aug 22, 2026 8:32 PM UTC

    Hello, Raj can you please provide when this errors appears in your system and which version or Appian you are using and are you using Appian on-prem or cloud. And if it is resolved now what you fixed?

    - Aditya
    rishikeshr4182
    rishikeshr4182
    Inspiring
    Aug 25, 2026 12:33 PM UTC

    Hi ​@padmanabhr582914,
    This seems to be an interface/expression error. Did you check  design_errors.csv

    Rishikesh
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