Welcome to Uipath community
You have issue with Double Quotation. Try to update the Double Quote "
Check out this below query
"INSERT Into user_details(User_ID,User_Name,User_Role,NIC,Mobile_Number,BranchCode) VALUES ('"+User_ID+"','"+User_Name+"','"+User_Role+"','"+NIC+"','"+Mobile_Number+"','"Branch_Code"');"
Regards
Gokul