ActiveForm Yii2 not working on hosting?

Question

Yii

Faced such a problem: forms in ActiveForm in Yii2 do not work on the hosting. Locally on Windows everything works fine. On the hosting the same code as locally. Initially, everything worked fine on the hosting.
What could be the problem?

Answer 1

Can you log? php, apache

Answer 2

var_dump form:

object(yii\widgets\ActiveForm)#179 (30) {
  ["action"]=>
  string(0) ""
  ["method"]=>
  string(4) "post"
  ["options"]=>
  array(2) {
    ["enctype"]=>
    string(19) "multipart/form-data"
    ["id"]=>
    string(16) "form-edit-report"
  }
  ["fieldClass"]=>
  string(23) "yii\widgets\ActiveField"
  ["fieldConfig"]=>
  array(0) {
  }
  ["encodeErrorSummary"]=>
  bool(true)
  ["errorSummaryCssClass"]=>
  string(13) "error-summary"
  ["requiredCssClass"]=>
  string(8) "required"
  ["errorCssClass"]=>
  string(9) "has-error"
  ["successCssClass"]=>
  string(11) "has-success"
  ["validatingCssClass"]=>
  string(10) "validating"
  ["enableClientValidation"]=>
  bool(true)
  ["enableAjaxValidation"]=>
  bool(false)
  ["enableClientScript"]=>
  bool(true)
  ["validationUrl"]=>
  NULL
  ["validateOnSubmit"]=>
  bool(true)
  ["validateOnChange"]=>
  bool(true)
  ["validateOnBlur"]=>
  bool(true)
  ["validateOnType"]=>
  bool(false)
  ["validationDelay"]=>
  int(500)
  ["ajaxParam"]=>
  string(4) "ajax"
  ["ajaxDataType"]=>
  string(4) "json"
  ["scrollToError"]=>
  bool(true)
  ["scrollToErrorOffset"]=>
  int(0)
  ["attributes"]=>
  array(0) {
  }
  ["_fields":"yii\widgets\ActiveForm":private]=>
  array(0) {
  }
  ["_id":"yii\base\Widget":private]=>
  string(16) "form-edit-report"
  ["_view":"yii\base\Widget":private]=>
  NULL
  ["_events":"yii\base\Component":private]=>
  array(0) {
  }
  ["_behaviors":"yii\base\Component":private]=>
  NULL
}