1 files changed, 8 insertions, 8 deletions
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
index 7a6b605ec3..c6d7fea443 100644
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -656,8 +656,8 @@ static RPCHelpMan combinerawtransaction()
     std::vector<CMutableTransaction> txVariants(txs.size());
 
     for (unsigned int idx = 0; idx < txs.size(); idx++) {
-        if (!DecodeHexTx(txVariants[idx], txs[idx].get_str(), true)) {
-            throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed for tx %d", idx));
+        if (!DecodeHexTx(txVariants[idx], txs[idx].get_str())) {
+            throw JSONRPCError(RPC_DESERIALIZATION_ERROR, strprintf("TX decode failed for tx %d. Make sure the tx has at least one input.", idx));
         }
     }
 
@@ -780,8 +780,8 @@ static RPCHelpMan signrawtransactionwithkey()
     RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VARR, UniValue::VARR, UniValue::VSTR}, true);
 
     CMutableTransaction mtx;
-    if (!DecodeHexTx(mtx, request.params[0].get_str(), true)) {
-        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
+    if (!DecodeHexTx(mtx, request.params[0].get_str())) {
+        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input.");
     }
 
     FillableSigningProvider keystore;
@@ -847,10 +847,10 @@ static RPCHelpMan sendrawtransaction()
         UniValueType(), // VNUM or VSTR, checked inside AmountFromValue()
     });
 
-    // parse hex string from parameter
     CMutableTransaction mtx;
-    if (!DecodeHexTx(mtx, request.params[0].get_str()))
-        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
+    if (!DecodeHexTx(mtx, request.params[0].get_str())) {
+        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input.");
+    }
     CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
 
     const CFeeRate max_raw_tx_fee_rate = request.params[1].isNull() ?
@@ -928,7 +928,7 @@ static RPCHelpMan testmempoolaccept()
 
     CMutableTransaction mtx;
     if (!DecodeHexTx(mtx, request.params[0].get_array()[0].get_str())) {
-        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
+        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed. Make sure the tx has at least one input.");
     }
     CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
     const uint256& tx_hash = tx->GetHash();