Error while executing materialize projection

Clickhouse version: 21.8.4.51 (official build)

**Error while executing mutations ``` alter table tbl MATERIALIZE PROJECTION proj_some_name```**
> Code: 49, e.displayText() = DB::Exception: Number of rows in source parts (2873190) differs from number of bytes written to rows_sources file (957730). It is a bug. (version 21.8.4.51 (official build))

