# May 22, 2025 - Incorrect assignment operator usage now triggers an error

**URL:** https://community.cumulocity.com/t/may-22-2025-incorrect-assignment-operator-usage-now-triggers-an-error/12323
**Category:** Analytics
**Tags:** Api-change, analytics, streaming-analytics
**Created:** [May 27, 2025, 9:30am UTC](https://community.cumulocity.com/t/may-22-2025-incorrect-assignment-operator-usage-now-triggers-an-error/12323 "2025-05-27T09:30:38Z")
**Posts on this page:** 1
**Page:** 1

<div class="post-metadata">

### Author: ![cumulocity](https://dub1.discourse-cdn.com/flex005/user_avatar/community.cumulocity.com/cumulocity/32/31990_2.png) [@cumulocity](https://community.cumulocity.com/u/cumulocity)
#### Post date: [May 27, 2025, 9:30am UTC](https://community.cumulocity.com/t/may-22-2025-incorrect-assignment-operator-usage-now-triggers-an-error/12323/1 "2025-05-27T09:30:38Z")

</div>

## Context

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**Change Type:** API change  
**Product area:** Analytics  
**Component:** Streaming Analytics  
**Deployed at:** [eu.latest.cumulocity.com](http://eu.latest.cumulocity.com), [apj.cumulocity.com](http://apj.cumulocity.com), [jp.cumulocity.com](http://jp.cumulocity.com), [cumulocity.com](http://cumulocity.com), [us.cumulocity.com](http://us.cumulocity.com)

> **Technical details**
>
> **Build artifact:** apama-in-c8y (26.105.0)  
> **Internal ID:** PAM-34572

## Description

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In earlier versions of EPL Apps, using `=` instead of `:=` resulted in a warning. This has now been promoted to an error. Loading will be rejected until the line is fixed or removed.