An error was reported in methylation extraction

[shoutong263]

Hello Felix

I encountered two errors after running step 3:

Sorting input file CpG_context_wwz-guo2_R1_bismark_bt2_pe.txt.chrChr01.methXtractor.temp by positions (using -S of 1500G) Died at /data01/masterHome/houtong/bismark/bismark2bedGraph line 487. Finished BedGraph conversion ...

and

No last chromosome was defined, something must have gone wrong while reading the data in (e.g. specified wrong file path for a gzipped coverage file?). Please check your command!

I tried a lot of things but I couldn't figure it out.