jQuery DataTables: Uncaught TypeError: Cannot read property 'mData' of undefined
问题 Why I'm getting error Uncaught TypeError: Cannot read property 'mData' of undefined I respect the DataTables requirements (and I also read another topics about my error and I respect every answer and solution). Please help me. Here is my php code: <table class="table table-striped table-bordered table-hover" id="sample_1"> <thead> <tr> <th class="table-checkbox"> <input type="checkbox" class="group-checkable" data-set="#sample_1 .checkboxes"/> </th> <th> Utilizator </th> <th> Nume complet <