0.7.6 / Buy land, Buy object ...does not work..need your help

Hello,

Before thank you for your big work on the economy part OpenSim.

Source code installation method.

--Environnement:
Ubuntu 12.04.3 LTS (GNU/Linux 3.10.9-xxxx-std-ipv6-64 x86_64)
mysql Ver 14.14 Distrib 5.5.32, for debian-linux-gnu (x86_64)
Mono JIT compiler version 3.2.3
TLS: __thread
SIGSEGV: altstack
Notifications: epoll
Architecture: amd64
Disabled: none
Misc: softdebug
LLVM: supported, not enabled.
GC: sgen

opensim (git version) 0.7.6
DTL/NSL Money Server (svn version)

--Installation method
git clone git://opensimulator.org/git/opensim opensim
cd opensim
svn co http://www.nsl.tuis.ac.jp/svn/opensim/opensim.currency/trunk opensim.currency
./runprebuild.sh && xbuild
cd opensim.currency
./build.sh


--Opensim arhitecture:
Robust with specific database (name robust)
Opensim_currency use the same database that Robust (name robust)
Opensim with specfic database (name sim1)

all functions work perfectly for opensim

--Opensim currency
When creating an account has $ 1,000
Buying currency work fine.
But it is.. lol

--What does not work:
Buy land, Buy object ...

--A list of what should work:
Buy Object (Copy) OK PayObject (5008) ObjectBuy
Buy Object (Original) OK PayObject (5008) ObjectBuy
Buy Object (Contents) OK PayObject (5008) ObjectBuy
Gift to another avatar OK Gift (5001) MoneyTransferRequest
llGiveMoney() fuction OK ObjectPays (5009) ObjectGiveMoney
money() event OK PayObject (5008) OnRequestPayPrice
Buy Money from System OK BuyMoney (5010) AddBankerMoneyHandler need Helper Scripts
Buy Land　 OK LandSale (5002) TransferMoney need Helper Scripts
Bunus to avatar by PHP OK ReferBonus (5003) SendMoneyBalanceHandler need Helper Scripts
Upload Inventory Charge OK UploadCharge (1101) UploadChargeHandler
Group Creation Charge OK GroupCreate (1002) PayMoneyCharge need Helper Scripts

--Problems:
By land
The php helper (landtool.php) are called.
Viewer ---> send xml-rpc (strange the amount are zero)
Viewer <--- landtool.php send correct response (amout are zero)
Nothing
Viewer display the error : Cannot buy now

Buy object no event is triggered, nothing is happening
Gift to another avatar no event is triggered, nothing is happening


I look for the whole night, but I do not find that it is the problem.

Thank you in advance for your help