I have a ender 5 pro and upgraded from the 1.1.5 to the 4.2.7 and install the TH3D unified 2 firmware.
However.. now when i connect my pi with octoprint to it, i cannot connect it.
It gives me this: State: Offline (Error: No more candidates to test, and no working port/baudrate combination detected.)
I'm afraid you deleted the template instead of reading and following its instructions. We are not mind readers so at this point, the only help we can provide is (hint: text in blue are links, click on them):