Walmart's internal systems had more than a dozen "major incidents" in the last two months alone.
An additional two major incidents occurred this past weekend, the person said.
Walmart's global technology platform runs the retailer's core business operations, including in-store point-of-sale systems, e-commerce, and distribution and fulfillment centers.
Internal emails obtained by BI show that Walmart's business is interrupted by issues with its global tech platform at a far more frequent rate than previously reported.
Last year, Walmart spent $11.8 billion on supply chain, customer-facing initiatives, and technology, according to a recent SEC filing, up from $9.2 billion the year before.
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