The grandmother received a pension through the local branch of Ukrposhta, but for May 2022 she did not receive a pension at all, they contacted both the pension fund and Ukrposhta, to which they received a response from the pension fund that there were no data on the non-payment of the pension and the branch of Ukrposhta could not find information about this period, and Ukrposhta replied that the information was sent to the main branch, which was already under occupation at that time (now also), so they cannot confirm the non-payment, what can they do?