KB-1353 "The valuesToStore parameter of a!writeToMultipleDataStoreEntities() cannot be null or empty" error thrown when passing null value

This issue has been resolved in an Appian hotfix/new Appian version. Please apply the latest hotfix to your Appian installation or upgrade to the latest version of Appian.

Symptoms

When a null value is passed into a!writeToMultipleDataStoreEntities() in an interface, the following error occurs:

Could not display interface. Please check definition and inputs. Interface Definition: Expression evaluation error: An error occurred while executing a save: Expression evaluation error at function fn!error [line 8]: The valuesToStore parameter of a!writeToMultipleDataStoreEntities() cannot be null or empty.

Cause

This issue has been resolved via AN-84317 in the following hotfixes/versions:

Appian 16.2 Hotfix Package K
Appian 16.3 Hotfix Package G
Appian 17.1 Hotfix Package D
Appian 17.2

Action

Apply the latest hotfix to your Appian installation or upgrade to the latest version of Appian.

Affected Versions

This article applies to Appian 16.2 and later.

Last Reviewed: July 2017