Error while running GATK4 mutect2

My variant calling jobs are giving errors. I am posting the error messages as snaps. Can someone please help me out with the problem?

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The tool is expecting a tag that is not present in the input BAM dataset. Specifically, the “sample” attribute.

This information can be added when mapping (read group options) or adjusted after mapping with a tool like AddOrReplaceReadGroups add or replaces read group information.

More help:

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