Hi spark developers, I ask one question on issure board:SPARK-37720.(Error reading delta file,hdfs://BMT163/state/0/0/2879.delta does not exist) Answers: mismatch spark core and python. I am comfused: if it causes by mismatch version,it maybe happend always,but now it occured sometimes. Maybe many monthes happend once. Thanks for reply. Best regards.