specific type of files cannot be opened

Problem

After taking some actions by mistake or upgrading the IDE, some types of files cannot be opened in the IDE, like parquet files.

Resolution

Go to Settings | Editor | File Types, and check if the target file type is assigned correctly.

For example, parquet files cannot be opened, please check if parquet file is assigned to parquet type.

*One wildcard (file extension) can only be assigned to one type