The song "El Error" by Espinoza Paz tells the story of a failed relationship and the regrets that come with it. It expresses the theme of realizing the mistake of being with someone you don't love and the consequences that arise from it. The lyrics paint a picture of a person who is always on the mind of their ex-partner, regardless of who they are with. The protagonist acknowledges that they too made the same mistake as their ex, seeking temporary comfort with someone else out of loneliness. The song highlights the pain and sadness felt by both parties involved. The protagonist hopes that the universe will conspire and inspire their ex to return, expressing their longing and desire to be reunited. The chorus emphasizes the recognition of the mistake in being with someone you don't love and pretending to be happy. It suggests that this is a form of failure. The recurring lines of "Siempre estoy esperando tu llegada" (I'm always waiting for your arrival) and "Se me nota la tristeza en la mirada" (The sadness is evident in my gaze) depict the yearning and sadness the protagonist experiences. Overall, "El Error" conveys the message that being with someone out of convenience or fear of being alone is a mistake that leads to unhappiness. It explores the emotions of longing, regret, and the hope for a second chance.