Did anyone got this type of error while doing ansys modal analysis.
*** ERROR *** CP = 137.469 TIME= 10:22:18
During the multiframe restart process, neither the .RDB file nor the
.Rnnn file was found. Both files are required to perform the
multiframe restart for the linear perturbation analysis. You must use
the RESCONTROL,LINEAR command in the prior base analysis. The
ANTYPE,,RESTART command is ignored.