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SyntaxError: Unexpected token < in JSON at position 0

Discussion in 'Community' started by thejamjr, Sep 14, 2018.

  1. thejamjr

    thejamjr New Member

    Level: Community
    I have an application with related records where Table A Record is related to many records in Table B.

    For one of these Table A Records, there are already 14 related records from Table B. I am able to add additional records from Table B to other Table A records, but this particular Table A record gives me

    SyntaxError: Unexpected token < in JSON at position 0

    I tested adding multiple records to a new account and no problems, so maybe something specific to that record is causing a problem?
  2. cheesegrits

    cheesegrits Support Gopher Staff Member

    Level: Community
    Have a look in the dev tools of your browser (so in Chrome, ctrl-shift-I), and look at the Network tab. You should see an AJAX call that errors our. Have a look at the response data for that call, which will have a PHP warning in it. Copy and paste it here.

    -- hugh

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