A recent test model with LKT active but not SSM was attempting to run but should have exited with error message that already exists in MT3D-USGS ERROR: THE SSM PACKAGE MUST BE USED IN THE CURRENT SIMULATION BECAUSE THE FLOW MODEL INCLUDES A SINK/SOURCE PACKAGE."
A recent test model with LKT active but not SSM was attempting to run but should have exited with error message that already exists in MT3D-USGS ERROR: THE SSM PACKAGE MUST BE USED IN THE CURRENT SIMULATION BECAUSE THE FLOW MODEL INCLUDES A SINK/SOURCE PACKAGE."