Doesn't see the Port Com of the Arduino board: Install or reinstall the driver - CH341.exe or elevate.exe
Error - Empty Sketch! Place the block (Basic - Settings and program) on the working field.
Error - UART! UART pins 0 and 1 are occupied or the Programmer does not see the microcontroller!
Error - Variable! Close the block with a value!
Error - No block! Set a variable block or a value block!
Error - No block! Install the comparison block!
Error - Variable type! Change the variable type! TM1637 - int
Error - Same addresses! It is forbidden to use more than one block with the same addresses.