This is the complete error message:
[2021-04-12 08:51:39,948] ERROR in app: Exception on /adduser1 [POST] Traceback (most recent call last): File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\flask\app.py", line 2447, in wsgi_app response = self.full_dispatch_request() File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\flask\app.py", line 1952, in full_dispatch_request rv = self.handle_user_exception(e) File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\flask\app.py", line 1821, in handle_user_exception reraise(exc_type, exc_value, tb) File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\flask\_compat.py", line 39, in reraise raise value File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\flask\app.py", line 1950, in full_dispatch_request rv = self.dispatch_request() File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\flask\app.py", line 1936, in dispatch_request return self.view_functions[rule.endpoint](**req.view_args) File "C:\xampp3\htdocs\app.py", line 151, in adduser1 myresult = user.user().adduser(username, password, admin) File "C:\xampp3\htdocs\user.py", line 25, in adduser mysql = mycursor.execute("INSERT INTO user (username, userpassword, userguid ) VALUES (%s , %s, %s)") File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\mysql\connector\cursor.py", line 551, in execute self._handle_result(self._connection.cmd_query(stmt)) File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\mysql\connector\connection.py", line 490, in cmd_query result = self._handle_result(self._send_cmd(ServerCmd.QUERY, query)) File "C:\source\repos\pythonsql\pythonsql\env2\lib\site-packages\mysql\connector\connection.py", line 395, in _handle_result raise errors.get_exception(packet) mysql.connector.errors.ProgrammingError: 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near '%s , %s, %s)' at line 1 127.0.0.1 - - [12/Apr/2021 08:51:39] "←[35m←[1mPOST /adduser1 HTTP/1.1←[0m" 500 -