Style won't install to demo.

Contrib ID 2723

When trying to approve 2.0 style (it works fine on local/other installation though):

SQL ERROR [ mysqli ]

Incorrect integer value: '' for column 'img_size_poll' at row 1 [1366]

SQL

INSERT INTO stylesdemo_themes (template_name, style_name, head_stylesheet, body_background, body_bgcolor, body_text, body_link, body_vlink, body_alink, body_hlink, tr_color1, tr_color2, tr_color3, tr_class1, tr_class2, tr_class3, th_color1, th_color2, th_color3, th_class1, th_class2, th_class3, td_color1, td_color2, td_color3, td_class1, td_class2, td_class3, fontface1, fontface2, fontface3, fontsize1, fontsize2, fontsize3, fontcolor1, fontcolor2, fontcolor3, span_class1, span_class2, span_class3, img_size_poll, img_size_privmsg) VALUES ('s2723', 'Vision2', 'Vision2.css', '', 'E5E5E5', '000000', '006699', '5493B4', '', 'DD6900', 'EFEFEF', 'DEE3E7', 'D1D7DC', '', '', '', '000000', '006699', 'FFFFFF', 'cellpic1.gif', 'cellpic3.gif', 'cellpic2.jpg', 'FAFAFA', 'FFFFFF', '', 'row1', 'row2', '', 'Verdana, Arial, Helvetica, sans-serif', 'Trebuchet MS', 'Courier, \\\'Courier New\\\', sans-serif', '10', '11', '12', '444444', '006600', '000066', '', '', '', '', '')

BACKTRACE

FILE: includes/db/mysqli.php
LINE: 143
CALL: dbal->sql_error()

FILE: home/virtual/phpbb.com/includes/functions_ariel.php
LINE: 1000
CALL: dbal_mysqli->sql_query()

FILE: home/virtual/phpbb.com/includes/styles/styles_queue.php
LINE: 581
CALL: install_style_phpbb2()

FILE: home/virtual/phpbb.com/includes/contrib/contrib_queue.php
LINE: 396
CALL: styles_queue->approve_process()

FILE: home/virtual/phpbb.com/includes/contrib/contrib_queue.php
LINE: 297
CALL: contrib_queue->validate_create()

FILE: home/virtual/phpbb.com/includes/contrib/contrib_author.php
LINE: 166
CALL: contrib_queue->main_validate()

FILE: home/virtual/phpbb.com/styles/db/index.php
LINE: 65
CALL: contrib_author->main()