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Migrating Drupal 7 to Drupal 8 – Source Plugin Error

I am trying to migrate a Drupal 7 site to Drupal 8, however, I keep getting this error;

Resolve all issues below to continue the upgrade. The d6_library_transaction plugin must define the source_module property.

Not sure where to define this. I have looked in the Library module folder and the Migrate module folder.

Any help is appreciated.

This article was republished from its original source.
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Migrating Drupal 7 to Drupal 8 – Source Plugin Error

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