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Red status lights are shown to the left of wind and seismic load cases in RAM Frame - Process - Analyze. These load cases cannot be analyzed.
When wind and seismic load cases are defined to use the calculated frequency and period, the program is required to run an Eigen Analysis to find the fundamental frequency and period for each direction. If there is insufficient information to solve the Eigen Analysis, red status lights will be displayed ot the left of the load case and you will not be able to include them in the analysis.
Two common reasons for the red status lights:
Consider using one of the following to work around this issue: