Due to recent bot attacks we have changed the sign-up process. If you want to participate in our forum please send a message via our contact form. › Forums › OpenLB › General Topics › Storing data in a csv file error (running code in parallel) › Reply To: Storing data in a csv file error (running code in parallel) December 30, 2022 at 6:59 pm #7095 syedParticipant Did you solve the problem? I am stuck with the same problem.