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Mathematics - <div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;"> <h4>A PHP Error was encountered</h4> <p>Severity: Warning</p> <p>Message: Trying to access array offset on value of type null</p> <p>Filename: views/level_view.php</p> <p>Line Number: 38</p> <p>Backtrace:</p> <p style="margin-left:10px"> File: /home3/allentea/public_html/interactive/application/views/level_view.php<br /> Line: 38<br /> Function: _error_handler </p> <p style="margin-left:10px"> File: /home3/allentea/public_html/interactive/application/controllers/Mathematics.php<br /> Line: 22<br /> Function: view </p> <p style="margin-left:10px"> File: /home3/allentea/public_html/interactive/index.php<br /> Line: 315<br /> Function: require_once </p> </div>

    Mathematics:

    A PHP Error was encountered

    Severity: Warning

    Message: Trying to access array offset on value of type null

    Filename: views/level_view.php

    Line Number: 64

    Backtrace:

    File: /home3/allentea/public_html/interactive/application/views/level_view.php
    Line: 64
    Function: _error_handler

    File: /home3/allentea/public_html/interactive/application/controllers/Mathematics.php
    Line: 22
    Function: view

    File: /home3/allentea/public_html/interactive/index.php
    Line: 315
    Function: require_once

    http://www.interactiveassessment.com/mathematics//" style="color:#09C; text-decoration:none">

    A PHP Error was encountered

    Severity: Warning

    Message: Trying to access array offset on value of type null

    Filename: views/level_view.php

    Line Number: 64

    Backtrace:

    File: /home3/allentea/public_html/interactive/application/views/level_view.php
    Line: 64
    Function: _error_handler

    File: /home3/allentea/public_html/interactive/application/controllers/Mathematics.php
    Line: 22
    Function: view

    File: /home3/allentea/public_html/interactive/index.php
    Line: 315
    Function: require_once

    A PHP Error was encountered

    Severity: Warning

    Message: Cannot modify header information - headers already sent by (output started at /home3/allentea/public_html/interactive/application/models/Content_model.php:269)

    Filename: core/Common.php

    Line Number: 570

    Backtrace:

    An uncaught Exception was encountered

    Type: TypeError

    Message: count(): Argument #1 ($value) must be of type Countable|array, bool given

    Filename: /home3/allentea/public_html/interactive/application/views/level_view.php

    Line Number: 64

    Backtrace:

    File: /home3/allentea/public_html/interactive/application/controllers/Mathematics.php
    Line: 22
    Function: view

    File: /home3/allentea/public_html/interactive/index.php
    Line: 315
    Function: require_once