You have a requirement to add or change Purchasing Units of Materials but you couldn't the field in Material Mass Change.
It is not possible to add or change the Purchasing Units of Materials using Mass Change. This feature was provided as a feedback to solution management as a future requirement.
In the meantime, you may consider using the following workaround:
1. Change the Purchasing Unit manually for each Material.
2. If you have Uploaded the Material using New Material Using Microsoft Excel, then you can update the Purchasing Unit of those material using New Material Using Microsoft Excel.
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