i<br />
<b>Warning</b>:  Undefined array key "fileName" in <b>/var/www/html/ks-upload.php</b> on line <b>18</b><br />
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<b>Warning</b>:  Undefined array key "fileSize" in <b>/var/www/html/ks-upload.php</b> on line <b>19</b><br />
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<b>Warning</b>:  Undefined array key "chunkOffset" in <b>/var/www/html/ks-upload.php</b> on line <b>23</b><br />
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<b>Warning</b>:  Undefined array key "fileChunk" in <b>/var/www/html/ks-upload.php</b> on line <b>24</b><br />
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<b>Warning</b>:  Trying to access array offset on value of type null in <b>/var/www/html/ks-upload.php</b> on line <b>24</b><br />
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<b>Deprecated</b>:  file_exists(): Passing null to parameter #1 ($filename) of type string is deprecated in <b>/var/www/html/ks-upload.php</b> on line <b>29</b><br />
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<b>Warning</b>:  fopen(/var/www/uploads/): Failed to open stream: Is a directory in <b>/var/www/html/ks-upload.php</b> on line <b>41</b><br />
Cannot open file for writing