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Severity: Notice

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Filename: controllers/proceeding.php

Line Number: 623

A PHP Error was encountered

Severity: Notice

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Filename: controllers/proceeding.php

Line Number: 624

A PHP Error was encountered

Severity: Warning

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Filename: core/Common.php

Line Number: 444

A Database Error Occurred

Error Number: 1048

Column 'paper_id' cannot be null

INSERT INTO `p_downloadlog` (`paper_id`) VALUES (NULL)

Filename: /home/osce5518/public_html/journal/journal/models/proceeding_model.php

Line Number: 128