There could be several reasons why your linked list appears empty after attempting to reverse it. Here are some common issues to consider:

Head Pointer Mismanagement: If you didn't update the head pointer correctly after reversing the list, it might point to the wrong node or even null.

Null Pointer Dereference: If you accidentally dereference a null pointer during the reversal process, it could lead to undefined behavior.

Memory Leak or Corruption: If you're using a language that requires manual memory management and you've made an error in handling pointers, you could have a memory leak or corruption.

Infinite Loop: If the following pointers are not updated correctly, you might end up with a cycle in your list, making it appear empty when traversed.

Logical Errors: Mistakes in the reversal algorithm could lead to an empty list. For example, if you accidentally set the next pointer of the first node to null.

Concurrency Issues: If another thread accesses or modifies the list while being reversed, it could lead to an inconsistent state.

Initial State: Ensure that the list is filled in to begin with. Reversing an empty list will still result in an empty list.

API/Method Issues: If you're using a built-in function or library to reverse the list, ensure you're using it correctly.

Printing Error: The issue might not be with the reversal but with the code that prints the list. Could you make sure that your print function works as expected?

Exception Handling: If your code has try-catch blocks, make sure that an exception is not being thrown and caught, leading to an empty list.

Debugging your code step-by-step and checking the state of the list at each operation could provide more insights into the issue. 

I'm sharing more