PHP Parse error

Hello,
Dolphin 7.3.5
have with: PHP Parse error problem, user can not log in or register.
Folder rights are OK.
member.php OK
Error:
AH01071: Got error 'PHP message: PHP parse error: syntax error, unexpected end of file in /var/www/vhosts/***************************************************
/modules/aqb/guests/classes/AqbGstTemplate.php on line 148 \ n ', referer: https: //*******.com/member.php
Has someone an idea?

This relates to a third party module, you need to contact AQB Soft to address this.

Yes, that's right. Thank you