PulpSolverError: Pulp: Error while executing C:\Users\ipeki\anaconda3\lib\site-packages\pulp\apis\..\solverdir\cbc\win\64\cbc.exe

Question

Here is my code, I dont know why it is happening, didnt understand the error, i will be thankful if you answer. I am using anaconda spyder for coding. Working on my thesis\' mat