Multivote macro not rendering on Confluence Server 7.0.1

Description

When adding the Multivote macro on Confluence Server 7.0.1 the below message is displayed:

Error rendering macro 'multivote'
null

Screenshots:

In the logs I can see:

Everything works perfectly fine in Confluence 6.15.x

Environment

Confluence Server 7.0.1

Multivote 1.3.1

Status

Assignee

Unassigned

Reporter

Dario Bonotto

Labels

None

Affects versions

Priority

Major
Configure