Unable to perform merging through cuffmerge

Can anybody how to overcome this error in Cuffmerge

command =

cuffmerge -g /mnt/c/Data/Week4/gencommand_proj4/athal_genes.gtf -p 8 -s /mnt/c/Data/Week4/gencommand_proj4/athal_chr.fa assembly.txt
assembly.txt = /mnt/c/Data/Week4/gencommand_proj4/Day8/transcripts.gtf
                        /mnt/c/Data/Week4/gencommand_proj4/Day16/transcripts.gtf

[Fri Apr 17 13:24:22 2020] Preparing output location ./merged_asm/
Traceback (most recent call last):
  File "/usr/bin/cuffmerge", line 580, in <module>
    sys.exit(main())
  File "/usr/bin/cuffmerge", line 538, in main
    gtf_input_files = test_input_files(transfrag_list_file)
  File "/usr/bin/cuffmerge", line 268, in test_input_files
    g = open(line,"r")
IOError: [Errno 2] No such file or directory: '/mnt/c/Data/Week4/gencommand_proj4/Day8/transcripts.gtf

I would be very thankful