Return
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Title
Unable to complete Hyper Migration job, getting error: String index out of range: -1 -
Description
Unable to complete Hyper Migration job, getting error: String index out of range: -1
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Cause
Using Claims to connect to Source and Target tenant -
Resolution
Use Claims to connect to Source OR Target.
Workaround: If Claims is a requirement to connect to the Source and Target, when migrating using Copy SharePoint Online to SharePoint Online, Pre-Create the Site Collections in the Target.