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poojas686639
January 13, 2026
Question

Localisation error in PM , but not able to find the PM anywhere

  • January 13, 2026
  • 7 replies
  • 0 views

Hi all,

I got this error in the log by seeing this I can identify this is a error in the process model general tab in localisation but when i checked i didn;t find any process model with this ID 13284 .

Is there any chance this error could be somewhere else , any pointer will be helpful as only one user is facing this issue on prod.

I know its a small fix in the code but I am not able to find out which object is giving this error

Caused by: com.appiancorp.suiteapi.common.exceptions.AppianException: Contact your application administrator for help resolving this issue. Provide them with the following issue identifier: f09fa:1f895 (APNX-1-4533-000)
  at com.appiancorp.sail.server.ServerExceptionTransformer.createLocalizedObfuscatedException(ServerExceptionTransformer.java:38)
  ... 247 more
2026-01-12 10:22:57,171 [Appian Work Item - 19034860 - WorkID 601 - execution02 - process 145291393 - model 13284 : UnattendedJavaActivityRequest] ERROR com.appiancorp.process.engine.ExpressionGroup - An error occurred while evaluating expression: =localize("de",tostring(pp!name " - " & pv!displayName),"en_GB",tostring(pp!name " - " & pv!displayName),"en_US",tostring(pp!name " - " & pv!displayName)) (Expression evaluation error at function 'tostring' parameter 2: The string concatenation operator (&) must be used between two values)
com.appiancorp.core.expr.exceptions.ExpressionRuntimeException$AppianExceptionProvider: Expression evaluation error at function 'tostring' parameter 2: The string concatenation operator (&) must be used between two values (APNX-1-4198-000)

7 replies

harshas2775
harshas2775
January 13, 2026

In the 'Problems' section of the log the process model name might be mentioned as well. Else, 
You can go to your Prod enviornment-> Designer->Monitor tab. Click on View all errors. THe model will be shown along with this error. From there you can open the process model and use concat() or '&' operator to fix the expression error. Hope this helps! 

If this doesn't work, the process administrators receive emails for these error, from email as well the process, thereby process model can be found. 

P
poojas686639Author
January 13, 2026

thanks for the reply there is no such PM exist I have searched with this PM id also nothing shown in the monitor mode that's why I am wondering where could be this error as per my experience this error cant be anywhere other than PM.

harshas2775
harshas2775
January 13, 2026
localize("de",tostring(pp!name " - " & pv!displayName),"en_GB",tostring(pp!name " - " & pv!displayName),"en_US",tostring(pp!name " - " & pv!displayName))

This code snipped suggests it can be an expression of a process model display name configured in process properties! If the error is there, the PM will be too. 
Is this a new error or some old error found is log? May be the process instance is archived/ deleted, hence no process is found.

Can you also try to search with this expression in the Appian Designer objects (Make sure to change search criteria to expressions ) and see if it results in some object

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