INVALID ORDER generic error

  • hi,
    I was used to create orders from the WP dashboard and send them to clients who don’t want to apply online.
    Suddenly I experienced a lot of problems
    Articles cannot be deletd once they have been added to the order and I get a generic “invalid order” error
    I cannot add shipping fees properly. taxes are not properly calculated and when recalculating the order pages remains in loop…..
    Coupons are not applied.
    i also get several error messages as
    AH01067: Failed to read FastCGI header
    Service Unavailable
    The server is temporarily unable to service your request due to maintenance downtime or capacity problems. Please try again later.

    i downgraded my pHp version to 7.4 already
    All plugin are updated

    • This topic was modified 2 years, 5 months ago by pievedepitti.

    The page I need help with: [log in to see the link]

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