qiime demux summarize error

Hello Sir, I imported my single sequence fastq files using manifest file with the following command
qiime tools import \

--type 'SampleData[SequencesWithQuality]'
--input-path manifest.csv
--output-path single-end-demux.qza
--input-format SingleEndFastqManifestPhred33
But when i tried to summarize the .qza file i got the following error;
qiime demux summarize --i-data single-end-demux.qza --o-visualization single-end-demux.qzv
Plugin error from demux:

'utf-8' codec can't decode byte 0xc6 in position 4227: invalid continuation byte

Debug info has been saved to /tmp/qiime2-q2cli-err-m7uxbcn9.log
I am going crazy, i don't know how to fix this problem

Hello Zango,

You are not crazy, you have a file that's not encoded with UTF-8!

I wonder if it's the manifest.csv file. Try copying in your metadata on this site, encoding it as UTF-8, then copy it back to your metadata file, save it, and run that command again.

You can also convert files to UTF-8 encoding with these Unix tools from the command line.

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