A clear and concise description of what the bug is.
**To Reproduce**
Steps to reproduce the behavior:
1. Describe the data you are using and provide a sample of your data if possible. For example, the paired-end reads are generated by 10x scATAC-seq. The read length is 50bp and the barcode length is 16bp.
2. Get the Chromap version by running ```chromap -v``` and post it here.
3. Provide the full command line you used to run Chromap.
4. Provide the log output by Chromap and highlight the error message.
**Expected behavior**
A clear and concise description of what you expected to happen.
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Environment (please complete the following information):**
- OS: [e.g. Ubuntu 22.10]
- Way you install Chromap [e.g. use Bioconda, download binary, build from source]
- If you compiled Chromap from source yourself, please provide the compiler version [e.g. GCC 7.4.0]
