resize datafile error

Script to resize datafile without ORA-03297 error

select ‘alter database datafile’||’ ”’||file_name||””||’ resize ‘||round(highwater+2)||’ ‘||’m’||’;’ from ( select /*+ rule */ a.tablespace_name, a.file_name, a.bytes/1024/1024 file_size_MB, (b.maximum+c.blocks-1)*d.db_block_size/1024/1024 highwater from dba_data_files a , (select file_id,max(block_id) maximum from dba_extents group…