可能是因为NSG资源在模板中未被正确引用。请检查模板和参数文件，确保NSG资源的名称和ID与其他资源的正确引用相匹配。

示例代码：

{
  "type": "Microsoft.Network/networkSecurityGroups",
  "apiVersion": "2021-08-01",
  "name": "[parameters('nsgName')]",
  "location": "[parameters('location')]",
  "properties": {
    "securityRules": [
      {
        "name": "Allow-SSH",
        "properties": {
          "description": "Allow SSH",
          "protocol": "Tcp",
          "sourcePortRange": "*",
          "destinationPortRange": "22",
          "sourceAddressPrefix": "*",
          "destinationAddressPrefix": "*",
          "access": "Allow",
          "priority": 100,
          "direction": "Inbound"
        }
      }
    ]
  }
},
{
  "type": "Microsoft.Network/networkInterfaces",
  "apiVersion": "2021-08-01",
  "name": "[parameters('nicName')]",
  "location": "[parameters('location')]",
  "dependsOn": [
    "[resourceId('Microsoft.Network/networkSecurityGroups', parameters('nsgName'))]"
  ],
  "properties": {
    "networkSecurityGroup": {
      "id": "[resourceId('Microsoft.Network/networkSecurityGroups', parameters('nsgName'))]"
    }
  }
}

在上面的示例中，可以看到在第二个资源（networkInterfaces）中，参数文件中的nsgName参数引用了第一个资源（networkSecurityGroups），并传递了正确的ID。确保在模板和参数文件中所有资源的引用都是正确的。