javascript - DataTable Uncaught TypeError: Cannot read property 'cell' of undefined -


i have datatable local data consisting of 8 headers/rows. i'm getting uncaught typeerror: cannot read property 'cell' of undefined. did investigation , if comment out 1 of columns not getting error anymore. seems table can show 7 rows. know how fix this?

           <tr>             <th class="surname">surname</th>             <th class="firstname">first name</th>             <th class="loginemail">login email</th>             <th class="customer">customer</th>             <th class="capabilities">capabilities</th>             <th class="currentstatus">status</th>             <th class="lastinvitesent">last email sent</th>             <th class="removereq"></th>         </tr>

data

                data.loginemail = img.attr('data-email');                 data.firstname = img.attr('data-firstname');                 data.surname = img.attr('data-surname');                 data.customer = img.attr('data-customer');                 data.roles = img.attr('data-roles');                 data.currentstatus = img.attr('data-status');                 data.lastinvitesent = img.attr('data-lastemailsent');                 data.removereq= img.attr('data-removereq');

code

    $('table.data-edit-invitations').datatable({             "sdom": '<"top">rtipl',             "bpaginate": false,             "spaginationtype": "full_numbers",             "sscrolly": "345px",             "bscrollcollapse": true,             "bfilter": false,             "bsort": false,             "bsortcellstop": false,             "aocolumns": [                 { "stype": 'string-case', "sclass": 'surname', "mdata": "surname"},                 { "stype": 'string-case', "sclass": 'firstname', "mdata": "firstname"},                 { "stype": 'string-case', "sclass": 'loginemail', "mdata": "loginemail"},                 { "stype": 'string-case', "sclass": 'customer', "mdata": "customer"},                 { "stype": 'string-case', "sclass": 'capabilities', "mdata": "roles" },                 { "stype": 'string-case', "sclass": 'currentstatus', "mdata": "currentstatus" },                 { "stype": 'string-case', "sclass": 'lastinvitesent', "mdata": "lastinvitesent" },                 { "stype": 'string-case', "sclass": 'removereq', "mdata": "removereq" }             ],             "olanguage": {                 "semptytable": '<span>no data available</span>',                 "sprocessing": "<span>processing</span>"             },             "bprocessing": true,             "fndrawcallback": function () {                    //some code here             });

ps: when comment out removereq in header , aocolumn. works. when comment out lastinvitesent , uncomment removereq works. not working when both exist!


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