Data layer disappeared

  • Thomas, Please help.
    For some unknown reason, I can’t see the data layer any longer.
    and so While GTM is on preview mode, the Data Layer Variable is undefined.
    We changed our site to a different server, maybe it has to do something with it?

    * Track enhanced e-commerce is still checked.
    I tried to solve it for hours , no success
    Do you know maybe what could have break it?

    • This topic was modified 5 years, 7 months ago by beyond21.
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