there are still these three errors with latest "0.8.2.1 (hotfix)" in "documents\Assetto Corsa\logs\log.txt":
ERROR: Mesh 1GRASS_ESSESOUTER_SUB0 CAN BE: GRASS OUT
ERROR: Mesh 1GRASS_ESSESOUTER_SUB2 CAN BE: GRASS OUT
ERROR: Mesh 1GRASS_ESSESOUTER_SUB1 CAN BE: GRASS OUT
it was mentioned earlier, just rename those meshes to something without "OUT" in it
maybe thats also the reason, that a newly recorded ai-line is not saved
ERROR: Mesh 1GRASS_ESSESOUTER_SUB0 CAN BE: GRASS OUT
ERROR: Mesh 1GRASS_ESSESOUTER_SUB2 CAN BE: GRASS OUT
ERROR: Mesh 1GRASS_ESSESOUTER_SUB1 CAN BE: GRASS OUT
it was mentioned earlier, just rename those meshes to something without "OUT" in it
maybe thats also the reason, that a newly recorded ai-line is not saved