SQLSTATE[HY000] [1045] Access denied for user 'agentmen_bkr'@'localhost' (using password: YES)

I am looking for a skilled SQL developer who can help me with a code correction or cache cleaning for a project. The purpose of the SQL query is to update data, but I am currently receiving the error message "SQLSTATE[HY000] [1045] Access denied for user 'agentmen_bkr'@'localhost' (using password: YES)". I am expecting a solution that involves code correction to resolve this issue.

Ideal skills and experience for this job include:
- Strong proficiency in SQL
- Experience with troubleshooting and debugging SQL queries
- Knowledge of database management systems and user access permissions
- Attention to detail and ability to identify and fix errors in code