Good day 1- What is the Soil Static Equivalent Reduction Coefficient (r) in the settings when performing retaining wall analysis, how many should be taken? 2- Can the slope of the retaining wall be reversed? 3- After the retaining wall analysis, everything saves but the reinforcements still give red, what does that mean? 4- In order to throw more cross-ties on the retaining wall, we enter a cross-tie from the drawing, how can this reinforcement be added to the bill of quantities?