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    Nintex Knowledge Base

    Error "Hexadecimal value ... is an invalid character" Opening Form in Designer

    Status: Validated

    ISSUE
    When opening a Form in Designer, an error similar to the following might occur:

    '[]', Hexadecimal value 0x13, is an invalid character. Line 124, position 28653.
    ERROR CODE
    RESOLUTION
    OPTION 1
    1. Re-create the affected list from the template (save list as a template). 
    2. Rebuild or import the backup Form file to the new list
    OPTION 2
    1. Find where the Form is located in the Office 365 environment and delete the Form by referring this article here
    2. Rebuild or import the Nintex Form, from a backup file.
    ADDITIONAL INFORMATION
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