Troubleshooting suggestions, organized in order of complexity, and listed as follows:
- Release only one end. Ensure that releases are not assigned to both ends of frame objects. Releasing both ends may keep load from being able to transfer, leading to numerical problems. Information on numerical problems is available using the Standard Solver, available through Analyze > Set Analysis Options > Solver Options. Check for instability warnings in the log file by selecting File > Show Input Log Files.