Take a look at these posts:
Apps - proTyres
Jens Roos updated proTyres with a new update entry: Add minor function and fix v1.5.5 200522 - basic support for CSP tyre extension model parameter PRACTICAL_TEMP_RATIO (beta, need testing with mods not using default values and not encrypted data.acd) - fix for error when performance lut...www.racedepartment.com
If it not helps, attach your log.txt and py_log.txt from your log folder in AC.
Thank for advice. I put Ini&lut pack but it still do not work.
Please check my log files.