70ec93 Merge pull request #3660 from shun-iwasawa/fix_crash_on_deleting_column_node

1 file Merged by Rodney 4 years ago , Committed by GitHub 4 years ago ,
    Merge pull request #3660 from shun-iwasawa/fix_crash_on_deleting_column_node
    
    Fix crash on deleting stage schematic node