A model with nodes and frames results in the following error when a material with nodal mass definition is used in node connectivity definition.
Error report:
"error: 'currVtkNodes' undefined near line 99, column 99
error: called from
vtkDataConversion at line 99 column 19
vtkMainWriter at line 36 column 60
ONSAS_init at line 69 column 3
ONSAS at line 5 column 44
ONSAS_Model_V0 at line 253 column 25"