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Editorial Team
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Asked: 2026-06-12T05:02:11+00:00

I have integrated the paypal in my iOS application using latest MPL library. The

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I have integrated the paypal in my iOS application using latest MPL library. The application runs fine in offline (ENV_NONE) mode. When I try test the app in Sandbox (ENV_SANDBOX) mode getting the following error in both simulator and device:

Checking Error********************
Posting Error: 2147483647
DEVELOPER ERROR: This app not using a supported version of the PayPal library.

Am using the sandbox testing APP ID “APP-80W284485P519543T”

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  1. Editorial Team

    I’m getting the same problem, emailed PayPal support and got this –

    Regarding the ‘Posting Error: 2147483647’ error, this appears to be a
    known issue that is currently being investigated. I will update you
    via this ticket as soon as I get more update on this.

    Hopefully it’ll be resolved soon.

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