37:T523,To fix the error and exclude rectangles with spaces or other symbols, you can add a condition to check if the current element is a '+' symbol before counting it as a rectangle. Here's the modified code: ```javascript export function count(diagram) { let count = 0; for (let i = 0; i < diagram.length-1; i++) { for (let j = 0; j < diagram[i].length-1; j++) { if(diagram[i][j]==='+'){ for (let k = j+1; k < diagram[i].length; k++) { if(diagram[i][k]==='+'){ for (let l = i+1; l < diagram.length; l++) { if(diagram[l][j]==='+'&& diagram[l][k]==='+'){ let isRectangle = true; for(let m = i; m <= l; m++) { if(diagram[m][j] !== '+' || diagram[m][k] !== '+'){ isRectangle = false; break; } } if(isRectangle){ count++; } } } } } } } } return count; } ``` This updated code introduces a new loop (m) to check all the elements between the top-left corner (i, j) and the bottom-left corner (l, j) of a potential rectangle. If any element is not a '+' symbol, it means it's not a rectangle, and the count is not incremented.38:T523,To fix the error and exclude rectangles with spaces or other symbols, you can add a condition to check if the current element is a '+' symbol before counting it as a rectangle. Here's the modified code: ```javascript export function count(diagram) { let count = 0; for (let i = 0; i < diagram.length-1; i++) { for (let j = 0; j < diagram[i].length-1; j++) { if(diagram[i][j]==='+'){ for (let k = j+1; k < diagram[i].length; k++) { if(diagram[i][k]==='+'){ for (let l = i+1; l < diagram.length; l++) { if(diagram[l][j]==='+'&& diagram[l][k]==='+'){ let isRectangle = true; for(let m = i; m <= l; m++) { if(diagram[m][j] !== '+' || diagram[m][k] !== '+'){ isRectangle = false; break; } } if(isRectangle){ count++; } } } } } } } } return count; } ``` This updated code introduces a new loop (m) to check all the elements between the top-left corner (i, j) and the bottom-left corner (l, j) of a potential rectangle. If any element is not a '+' symbol, it means it's not a rectangle, and the count is not incremented.