If you are trying to troubleshoot a mod error or analyze the file, follow these steps to build a clear report: Open the file in a text editor (like Notepad or TextEdit).
Briefly describe what happened right before the file was generated (e.g., "Game crashed on startup").
If you are a Sims 4 player, Nisa's WP (Wicked Perversions) is a popular mod. A .txt file with this name is often an Error Log or a Last Exception report generated when the mod crashes or conflicts with others.
Copy and paste the first 20–30 lines of the text file. This is usually where the "root cause" is listed. Step 3: Seek Expert Review
I can help you summarize the specific error codes if you paste a few lines here. HOW TO FIX LAST EXCEPTION ERRORS THE SIMS 4