Analyse following RPM build log snippet. Describe contents accurately, without speculation or suggestions for resolution.            
Your analysis must be as concise as possible, while keeping relevant information intact.
Snippet: 
  File "/usr/lib/python3.13/site-packages/tox_current_env/hooks4.py", line 82, in tox_add_core_config
tox_add_core_config has raised an error becasue the tox config file was not found.