VB 4.2.3 Private Message returns Empty Page in Mobile Style

[ed762]

I asked this at the VB support forum already, the response from VB is a bit of an ambiguous "it is the way it is".

We switched to php 5.6.40 to run VB 4.2.3 PL2, everything works fine but private message in mobile style returns empty content. Header and footer are present, but anything to do with the private message templates are missing. Private messaging works fine in the mobile style with VB4.2.3PL2 before we moved to php 5.6.40.

Yes, we know the php version is later than it is officially supported by VB 4.2.3. ( we cannot get 4.2.5 to work yet)

Would anyone be able point us to the direction where to look for the fix?

Thank you in advance