Dear sir or madam, I encountered problems when running fenics solver, which error message I cannot understand. Please see below:
Error: Unable to access vector of degrees of freedom. *** Reason: Cannot access a non-const vector from a subfunction. *** Where: This error was encountered inside Function.cpp. *** Process: 0 *** *** DOLFIN version: 1.2.0+ *** Git changeset: What is the directory to find the Funciton.cpp? Or is it included in some other file? Could you please kindly explain what the error message is saying and some advice to solve this problem. Thank you very much for your time and help. Regards, *Fangyuan Cheng* *Structural Engineer* Fairlead Maritime Unit 45, Riverside Building 55 Trinity Buoy Wharf London E14 0FP http://www.fairleadmaritime.co.uk +44 207 515 9977 +44 7789375573
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