E-Mailtemplate for Orcid_Collect_Author_Id

Description of issue or problem I’m having:
I’d like to modfiy the emailtemplate for the email Orcid_Collect_Author_Id. I’d tried to include the Variable {$submissionTitle} in this template. It remains empty, when the mail is sent. What can i do to include {$submissionTitle} into that email template?

Application Version - e.g., OJS 3.1.2:
OJS 3.2.1-4

Additional information, such as screenshots and error log messages if applicable: