When running the main file, it shows a missing .pt file.

[superli6]

The error message you provided indicates that the code is unable to find the file 'tcga_blca_20x_features\graph_files\tcga_blca_20x_features\graph_euclidean_files\TCGA-XF-AAMW-01Z-00-DX1.875DED6D-805B-418C-8C9E-AE45FDECC504.pt'.