Hi @ricardo-banon.jesus ,
There are similar posts related to the Pipe is Broken
Issue. But I am quite not sure if the reason is due to the length of the value present in the variable.
Take a Look at one of the Posts below :
The issue can be somewhat related to importing the modules or Providing the appropriate working Folder in the Properties Panel as well.
Let us know what is the Python Code intend to do, and if Possible what is the Code Structure or you could drop the Code Itself in the Preformatted Text format </>
for further conclusions.