can not read .pcd file.

[renliao]

hello! I an a newer to deal with point Cloud data in matlab, I attempt to read a .pcd file as following:
ptCloud = pcread('C:\Program Files\Polyspace\R2020b\MyProjects\data\bun0.pcd');
the error happend:
" input_ply_pcd
索引超出数组元素的数目(0)。

出错 pcread (第 238 行)
X = [allData{1} allData{2} allData{3}]; % points

出错 input_ply_pcd (第 4 行)
ptCloud = pcread('C:\Program Files\Polyspace\R2020b\MyProjects\data\bun0.pcd');
"
how can I solve this problem？thank you !