Help! How to fix this?

[HttpPost("AddExpenseToUser/{userId}/{classificationId}/{accountId}", Name = "AddExpenseToUser")]
        public async Task<IActionResult> AddExpense(int userId, int classificationId, int accountId, [FromBody] ExpenseCreationDto newExpense)
         {
            try
            {
                // Check if account exists
                var user = await _userServices.GetUser(userId);
                if (user == null)
                    return NotFound($"User with id {userId} does not exist.");
 
                var newExpenseId = await _expensesServices.AddExpense(userId, classificationId, accountId, newExpense);
 
                return CreatedAtRoute("GetExpenseById", new { id = newExpenseId },
                    $"The newly added Id is {newExpenseId}");
            }
            catch (Exception e)
            {
                _logger.LogError(e.Message);
                return StatusCode(500, "Something went wrong");
            }
         }

[HttpPost("AddExpenseToUser/{userId}/{classificationId}/{accountId}", Name = "AddExpenseToUser")]
        public async Task<IActionResult> AddExpense(int userId, int classificationId, int accountId, [FromBody] ExpenseCreationDto newExpense)
         {
            try
            {
                // Check if account exists
                var user = await _userServices.GetUser(userId);
                if (user == null)
                    return NotFound($"User with id {userId} does not exist.");
 
                var newExpenseId = await _expensesServices.AddExpense(userId, classificationId, accountId, newExpense);
 
                return CreatedAtRoute("GetExpenseById", new { id = newExpenseId },
                    $"The newly added Id is {newExpenseId}");
            }
            catch (Exception e)
            {
                _logger.LogError(e.Message);
                return StatusCode(500, "Something went wrong");
            }
         }