Expression evaluation error at function a!util_sasaUiSource: An error occurred w

@sik, i have rectified the isue and the form has been modified with expected functionality and is working good in sail part. But When I try to call from UI, I getting a generic exception of "Expression evaluation error in rule" . Can you suggest..

@deepanc712 could you please let me know what do you mean by UI here? If you are calling from some other rule, please attach the definition of parent and the sub rules here, so that I can go through the contents.

@Sik, I meant to say as Appian web user interface. am getting the above sail error message when I try to initaite a process. Please find the code

sailtext.sail

@deepanc Hi, I have gone through the code but I couldn't make out any errors as I am not aware of the definitions of the rules written in the code. Probably I would like to suggest two things as follows which may help you to get rid of the error:

1. Include null checks wherever possible. For instance, trying to access the field inside an empty cdt results in an error.
2. When you are making a call to the SAIL interface from user input task, make sure that the data types of the values passed from user input task (ac! or pv!) are equivalent to the data types of rule inputs (ri!). Mismatch might result in an exception.

@deepanc I guess I spotted the issue. You have defined the local!try two times - one at line#26 in load() and other at line#29 in with(). Try to eliminate these kind of errors if there are any.

@sik, I tried this too, earlier but still the null value identifier exists, but on the sail interface I'm getting value "1" if i test that with local.datasubset.identifiers but on the tempo form it is returning null.

A issue which is challenging.

Is the code which you have attached is the final version? I could still see some syntactical errors - Comma at line #210 and #212 should be removed.

AFAIK, definitely there should be some null value in the local!try.REGION_EID. Could you replace the identifiers with the following snippet in your SAIL interface?:

identifiers: if(
local!datasubset.totalCount = 0,
{},
reject(
rule!APN_isBlank(singlePV:_),
index(
local!datasubset.data,
"REGION_EID",
{}
)
)
)