Source expression is causing issue in epbcs integration after 26.04 upgrade

Summary:

We had the following source expression in the integration which is causing issue after 26.04 upgrade

Content (please ensure you mask any confidential information):

condition=if (CURKEY == "ALL") return "ALB" else return CURKEY

It is causing the following error "Error evaluating expression CURKEY: [line 6] Error at 'else': New line expected after return"

Version (include the version you are using, if applicable):

26.04

Code Snippet (add any code snippets that support your topic, if applicable):