If the form has more than one array, the autogenerated code is wrong because only the first array name is recognized.
The problem is in the CheckForm function in admin.chronocontact.html.php line 355 and 356. The replace function only replaces the first occurrence of "[]".
To fix the problem in admin.chronocontact.html.php change the lines 355 and 356 from
to
The problem is in the CheckForm function in admin.chronocontact.html.php line 355 and 356. The replace function only replaces the first occurrence of "[]".
To fix the problem in admin.chronocontact.html.php change the lines 355 and 356 from
$('fieldsnames').value = fieldsnames_array.join(',').replace("[]","");
$('fieldstypes').value = fieldstypes_array.join(',').replace("[]","");
to
$('fieldsnames').value = fieldsnames_array.join(',').replace(/\[\]/g,"");
$('fieldstypes').value = fieldstypes_array.join(',').replace(/\[\]/g,"");