cortexerror.log: This file contains a historical summary of all of the errors that have occurred during all runs executed in the same run directory. With this in mind, ensure that you are considering messages corresponding to the most recent run. An example message is: "Update-Dynamic-Mesh failed. Negative cell volume detected." This indicates that at the date and time noted, the mesh unexpectedly failed.

solution 1.log: This file includes information regarding the Fluent boundary conditions at which data from System Couplings was/is used. This file is never appended, and so it only contains information from the current run.

solution.trn (or other transcript file): This file contains a complete summary of the current/latest run's evolution. This is one of the most useful files to determine why the coupled analysis failed. To generate extensive debug output during the analysis, enter the following command when completing the Fluent problem setup:

(rpsetvar 'sc/verbosity 1)