diff --git a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ActionScriptParser.java b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ActionScriptParser.java
index 80b16f3bd..d31698a88 100644
--- a/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ActionScriptParser.java
+++ b/libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/parser/script/ActionScriptParser.java
@@ -2400,6 +2400,9 @@ public class ActionScriptParser {
 
     private static void initPlayer() throws IOException, InterruptedException {
         if (playerABCs.isEmpty()) {
+            if (Configuration.getPlayerSWC() == null) {
+                throw new IOException("Player SWC library not found, please place it to " + Configuration.getPlayerSWC());
+            }
             SWC swc = new SWC(new FileInputStream(Configuration.getPlayerSWC()));
             SWF swf = new SWF(swc.getSWF("library.swf"), true);
             for (Tag t : swf.tags) {
diff --git a/libsrc/ffdec_lib/test/com/jpexs/decompiler/flash/DirectEditingTest.java b/libsrc/ffdec_lib/test/com/jpexs/decompiler/flash/DirectEditingTest.java
index 626687f86..9a1c09e60 100644
--- a/libsrc/ffdec_lib/test/com/jpexs/decompiler/flash/DirectEditingTest.java
+++ b/libsrc/ffdec_lib/test/com/jpexs/decompiler/flash/DirectEditingTest.java
@@ -57,6 +57,10 @@ public class DirectEditingTest extends FileTestBase {
 
     @Test(dataProvider = "provideFiles")
     public void testDirectEditing(String fileName) throws IOException, InterruptedException, AVM2ParseException, CompilationException {
+        File playerSWC = Configuration.getPlayerSWC();
+        if (playerSWC == null) {
+            throw new IOException("Player SWC library not found, please place it to " + Configuration.getPlayerSWC());
+        }
         try {
             SWF swf = new SWF(new BufferedInputStream(new FileInputStream(TESTDATADIR + File.separator + fileName)), false);
             if (swf.isAS3()) {
@@ -124,7 +128,7 @@ public class DirectEditingTest extends FileTestBase {
                 }
             }
         } catch (Exception ex) {
-            fail("Exception during decompilation: " + fileName + " " + ex.getMessage());
+            fail("Exception during decompilation: " + fileName, ex);
         }
     }