Error in percent of the half-light radii R_e and Sérsic index n as a function of the inferred half-light radii for mock sources injected into dark areas of the CEERS field of view with mag = 26. The error is defined as ${\text{Err}}_{\text{tot}}=\sqrt{{\text{Err}}_{R_e}^2+{\text{Err}}_n^2}$. The dotted line denotes the HWHM in F444W, whereas the dash-dotted line refers to the resolution limit adopted in this study.