TypeError: c is undefine
TypeError: c is undefine

Hello i have problem with a popup ( i included code in table)but this dont work only when i log out :O dunno what fix it
http://przyjaznypark.pl/?page_id=242
TypeError: c is undefined[More...] jquery.datatables.min.js:92:473
m/</< http://przyjaznypark.pl/wp-content/plugins/tablepress/js/jquery.datatables.min.js:92:473
.each http://przyjaznypark.pl/wp-includes/js/jquery/jquery.js:2:2879
n.prototype.each http://przyjaznypark.pl/wp-includes/js/jquery/jquery.js:2:844
m/< http://przyjaznypark.pl/wp-content/plugins/tablepress/js/jquery.datatables.min.js:92:423
.each http://przyjaznypark.pl/wp-includes/js/jquery/jquery.js:2:2879
n.prototype.each http://przyjaznypark.pl/wp-includes/js/jquery/jquery.js:2:844
m http://przyjaznypark.pl/wp-content/plugins/tablepress/js/jquery.datatables.min.js:85:143
<anonimowa> http://przyjaznypark.pl/:395:1
n.Callbacks/i http://przyjaznypark.pl/wp-includes/js/jquery/jquery.js:2:27444
n.Callbacks/j.fireWith http://przyjaznypark.pl/wp-includes/js/jquery/jquery.js:2:28213
.ready http://przyjaznypark.pl/wp-includes/js/jquery/jquery.js:2:30004
K http://przyjaznypark.pl/wp-includes/js/jquery/jquery.js:2:30366
in bot i make a test and it work but in table not ;/
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Answers
Can you give me exact steps on on to reproduce the error on your page please?
I currently get the error:
when loading the page, which is due to the number of header columns not matching the body / or possibly not matching the number defined in the Javascript.
Thanks,
Allan