Error: Discarding duplicate request from client

Hi Colleagues, I encountered such a problem. What are you think, What is the reason this error?: Error: Discarding duplicate request from client BRAS № port № - ID: № due to unfinished request № in component authorize module sql. Please help me to solve this problem. Best regards, Asaf Jafarli | System Administrator Aztelekom LLC Address: 187, Tbilisi str., AZ1122, Baku, Azerbaijan Mobile : +994517487671​ <http://aztelekom.net/cabinet/assets/images/logos/logo.png> ​