diff --git a/monero/backends/jsonrpc.py b/monero/backends/jsonrpc.py
index 87763fe..9208550 100644
--- a/monero/backends/jsonrpc.py
+++ b/monero/backends/jsonrpc.py
@@ -174,6 +174,7 @@ _err2exc = {
     -2: exceptions.WrongAddress,
     -4: exceptions.NotEnoughUnlockedMoney,
     -5: exceptions.WrongPaymentId,
+    -16: exceptions.TransactionNotPossible,
     -20: exceptions.AmountIsZero,
     -32601: MethodNotFound,
 }
diff --git a/monero/exceptions.py b/monero/exceptions.py
index 791d0f1..d26cdde 100644
--- a/monero/exceptions.py
+++ b/monero/exceptions.py
@@ -21,3 +21,6 @@ class NotEnoughUnlockedMoney(NotEnoughMoney):
 
 class AmountIsZero(AccountException):
     pass
+
+class TransactionNotPossible(AccountException):
+    pass