Result variable $1 return nothing but itself

[Хрен Сгоры]

This code before update (2.4.6) return the issue id and link to it

replaceFirst(toString(issuesFromJQL("cf[15563] = " + %{15563} + " AND issuetype in ('Предоставить доступ')", "help-hamster")),"([A-Z]+-\\d+)","<a href='https://jira.123123.com/browse/$1' target='_blank'>$1</a>")

After the latest update, that code return only the varaible sign

<a href='https://jira.123123.com/browse/$1' target='_blank'>$1</a>