random bugs with opening files from micropython device

[asherevan]

When i'm trying to open a file from my micropython device (ESP32) it randomly gives me this error:

Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/thonny/workbench.py", line 1711, in event_generate
handler(event)
File "/usr/lib/python3/dist-packages/thonny/base_file_browser.py", line 1001, in update_dir_data
self.render_children_from_cache(msg["node_id"])
File "/usr/lib/python3/dist-packages/thonny/base_file_browser.py", line 430, in render_children_from_cache
raise RuntimeError("None data for %s" % path)
RuntimeError: None data for /main.py