Solution
If you're trying to get data from a communication protocol (Modbus for example), and you use Flatten to String and Unflatten from String functions to process this information, make sure that you're always sending data to the Unflatten From String function since it needs data to work correctly. Occasionally, during the initial communication attempt, the buffer may be empty, resulting in no data being available. In such cases, these functions may attempt to operate on null or invalid input, which can trigger an error.
In the example shown below, the program runs correctly when using an initialized array.
However, if the array is not initialized and the program is executed, the error will occur due to the absence of valid data.
