more helpful error message

IntersectMBO · Mar 8, 2022 · 609d07d · 609d07d
1 parent 8d4daa1
commit 609d07d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/plutus-contract/src/Plutus/Contract/Test/ContractModel/Internal.hs b/plutus-contract/src/Plutus/Contract/Test/ContractModel/Internal.hs
@@ -1581,7 +1581,7 @@ checkBalances s envOuter = Map.foldrWithKey (\ w sval p -> walletFundsChange w s
                   tokenMap <- Map.lookup innerVar envInner
                   Map.lookup idx tokenMap
                 lookup st = case lookupMaybe st of
-                  Nothing  -> error $ "Trying to look up unknown symbolic token: " ++ show st ++ ",\ndid you forget to check that tokens exist in your preconditions?"
+                  Nothing  -> error $ "Trying to look up unknown symbolic token: " ++ show st ++ ",\nare you using a custom implementation of getAllSymtokens? If not, please report this as a bug."
                   Just tok -> tok
                 dlt = toValue lookup sval
                 initialValue = fold (dist ^. at w)