diff --git a/src/node/psbt.h b/src/node/psbt.h
--- a/src/node/psbt.h
+++ b/src/node/psbt.h
@@ -40,6 +40,17 @@
     std::vector<PSBTInputAnalysis> inputs;
     //! Which of the BIP 174 roles needs to handle the transaction next
     PSBTRole next;
+    //! Error message
+    std::string error;
+
+    void SetInvalid(std::string err_msg) {
+        estimated_vsize = nullopt;
+        estimated_feerate = nullopt;
+        fee = nullopt;
+        inputs.clear();
+        next = PSBTRole::CREATOR;
+        error = err_msg;
+    }
 };
 
 /**
diff --git a/src/node/psbt.cpp b/src/node/psbt.cpp
--- a/src/node/psbt.cpp
+++ b/src/node/psbt.cpp
@@ -7,6 +7,7 @@
 #include <node/psbt.h>
 #include <policy/policy.h>
 #include <policy/settings.h>
+#include <tinyformat.h>
 
 #include <numeric>
 
@@ -38,6 +39,12 @@
             calc_fee = false;
         }
 
+        if (!utxo.IsNull() && utxo.scriptPubKey.IsUnspendable()) {
+            result.SetInvalid(strprintf(
+                "PSBT is not valid. Input %u spends unspendable output", i));
+            return result;
+        }
+
         // Check if it is final
         if (!utxo.IsNull() && !PSBTInputSigned(input)) {
             input_analysis.is_final = false;
diff --git a/src/psbt.h b/src/psbt.h
--- a/src/psbt.h
+++ b/src/psbt.h
@@ -510,6 +510,7 @@
 };
 
 enum class PSBTRole {
+    CREATOR,
     UPDATER,
     SIGNER,
     FINALIZER,
diff --git a/src/psbt.cpp b/src/psbt.cpp
--- a/src/psbt.cpp
+++ b/src/psbt.cpp
@@ -297,6 +297,8 @@
 
 std::string PSBTRoleName(const PSBTRole role) {
     switch (role) {
+        case PSBTRole::CREATOR:
+            return "creator";
         case PSBTRole::UPDATER:
             return "updater";
         case PSBTRole::SIGNER:
@@ -305,6 +307,7 @@
             return "finalizer";
         case PSBTRole::EXTRACTOR:
             return "extractor";
+            // no default case, so the compiler can warn about missing cases
     }
     assert(false);
 }
diff --git a/src/rpc/rawtransaction.cpp b/src/rpc/rawtransaction.cpp
--- a/src/rpc/rawtransaction.cpp
+++ b/src/rpc/rawtransaction.cpp
@@ -1924,6 +1924,8 @@
             "have been filled.\n"
             "  \"next\" : \"role\"                 (string) Role of the next "
             "person that this psbt needs to go to\n"
+            "  \"error\" : \"error\"               (string) Error message if "
+            "there is one"
             "}\n"},
         RPCExamples{HelpExampleCli("analyzepsbt", "\"psbt\"")}}
         .Check(request);
@@ -1972,8 +1974,9 @@
         }
         inputs_result.push_back(input_univ);
     }
-    result.pushKV("inputs", inputs_result);
-
+    if (!inputs_result.empty()) {
+        result.pushKV("inputs", inputs_result);
+    }
     if (psbta.estimated_vsize != nullopt) {
         result.pushKV("estimated_vsize", (int)*psbta.estimated_vsize);
     }
@@ -1985,6 +1988,9 @@
         result.pushKV("fee", ValueFromAmount(*psbta.fee));
     }
     result.pushKV("next", PSBTRoleName(psbta.next));
+    if (!psbta.error.empty()) {
+        result.pushKV("error", psbta.error);
+    }
 
     return result;
 }
diff --git a/test/functional/rpc_psbt.py b/test/functional/rpc_psbt.py
--- a/test/functional/rpc_psbt.py
+++ b/test/functional/rpc_psbt.py
@@ -371,6 +371,15 @@
         analyzed = self.nodes[0].analyzepsbt(signed)
         assert analyzed['inputs'][0]['has_utxo'] and analyzed['inputs'][0]['is_final'] and analyzed['next'] == 'extractor'
 
+        self.log.info(
+            "PSBT spending unspendable outputs should have error message and Creator as next")
+        analysis = self.nodes[0].analyzepsbt(
+            'cHNidP8BAJoCAAAAAljoeiG1ba8MI76OcHBFbDNvfLqlyHV5JPVFiHuyq911AAAAAAD/////g40EJ9DsZQpoqka7CwmK6kQiwHGyyng1Kgd5WdB86h0BAAAAAP////8CcKrwCAAAAAAWAEHYXCtx0AYLCcmIauuBXlCZHdoSTQDh9QUAAAAAFv8/wADXYP/7//////8JxOh0LR2HAI8AAAAAAAEAIADC6wsAAAAAF2oUt/X69ELjeX2nTof+fZ10l+OyAokDAQcJAwEHEAABAACAAAEAIADC6wsAAAAAF2oUt/X69ELjeX2nTof+fZ10l+OyAokDAQcJAwEHENkMak8AAAAA')
+        assert_equal(analysis['next'], 'creator')
+        assert_equal(
+            analysis['error'],
+            'PSBT is not valid. Input 0 spends unspendable output')
+
 
 if __name__ == '__main__':
     PSBTTest().main()