Jagged lines, vector artifacts, misaligned shapes, poor vector detailing, uneven linework, inconsistent vector strokes, unrealistic vector colors, awkward vector proportions, disconnected vector elements, overly simplified vector shapes, lack of vector depth, unnatural vector shadows, rigid vector shading, flat vector appearance, vector distortion, poor vector blending, vector noise, vector banding, ugly, deformed, noisy, blurry, distorted, grainy