Undefined index: callback_query

[RiyanRIS]

Callback_Query() function::

when i use this code i got error like this

what should i do?

[Eleirbag89]

What version of php are you using ?
The code you posted should work.

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[fugikzl]

Same problem to me