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  • pstacks software error

    Hello everyone,
    can you please tell me how to resolve it .

    as i am working on Stacks tool here i am trying to run pstack , cstack and sstacks separately.
    so i am getting this error
    HTML Code:
    [root@bioinfo3-c indica]#  pstacks -p 36 -t sam -m 3 -i 1 -f RG-1.sam -o ref_out/pstack/
    Min depth of coverage to report a stack: 3
    Model type: SNP
    Alpha significance level for model: 0.05
    Parsing RG-1.sam
      Analyzed 64766 sequence reads; Identified 62825 unique stacks from those reads.
      Merged 63144 unique Stacks into 56715 loci.
    Identifying polymorphic sites and calling consensus sequences...done.
      Number of utilized reads 64766
      Mean coverage depth is 6.76754; Std Dev: 11.7072; Max: 110
    Writing loci, SNPs, alleles to 'ref_out/pstack/...'
    Error: Unable to open tag file for writing.

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