It might help if you paste your code for your ViewController that contains the tableView.
Paste your code in as text, rather than providing a screenshot.
To format the code nicely, place 3 back-ticks ``` on the line above your code and 3 back-ticks ``` on the line below your code. Like this:
Code goes here
The 3 back-ticks must be the ONLY characters on the line. The back-tick character is located on the same keyboard key as the tilde character ~ (which is located below the Esc key).
Alternatively after you paste in your code, select that code block and click the </> button on the toolbar. This does the same thing as manually typing the 3 back ticks on the line above and below your code.
This also makes it easier for anyone assisting as they can copy the code and carry out some testing.