[SOLVED] Projeqtor 9.0.4 with php-fpm and nginx issue with postgresql 13.1 on cent os 7

We are getting login issues from projeqtor.
Log file entries shows trail lines. Please help to resolve the same.

2021-02-23 11:08:22.341 ***** ERROR ***** [V9.0.4] Exception-[22021] SQLSTATE[22021]: Character not in repertoire: 7 ERROR:  invalid byte sequence for encoding "UTF8": 0xaa
2021-02-23 11:08:22.341 ***** ERROR ***** [V9.0.4]    For query : select * from resource where resource.name='I,ªê  ' and resource.isUser = '1'
2021-02-23 11:08:22.341 ***** ERROR ***** [V9.0.4]    Strack trace :
2021-02-23 11:08:22.342 ***** ERROR ***** [V9.0.4]    #0 Sql->query called at [/var/www/html/projeqtor/model/persistence/SqlElement.php:2680]
2021-02-23 11:08:22.342 ***** ERROR ***** [V9.0.4]    #1 SqlElement->getSqlElementsFromCriteria called at [/var/www/html/projeqtor/tool/loginCheck.php:67]
2021-02-23 11:08:22.342 ===== TRACE ===== Login error for user 'I,ªê'
2021-02-23 11:08:32.609 ***** ERROR ***** [V9.0.4] Exception-[22021] SQLSTATE[22021]: Character not in repertoire: 7 ERROR:  invalid byte sequence for encoding "UTF8": 0xeb 0x0a 0x07
2021-02-23 11:08:32.610 ***** ERROR ***** [V9.0.4]    For query : select * from resource where resource.name='në

 

Both database and php-fpm we have configured utf-8.
I am trying to connect to existing database.

I am not able to connect with admin user or any other user.
Please guide how to resolve the issue.