Tally 7.2 Migration Problem C0000005 Tally 7.2 To 9 Migration Problem?

Tally 7.2 to 9 migration problem? - tally 7.2 migration problem c0000005

When I migrate the amount of 7.2 to 9.1 after a while I get messages: - "get into Tally software exception c0000005 memory access violation. Any body can guide me to resolve this problem.