diff --git a/platform/core-api/src/com/intellij/util/AstLoadingFilter.java b/platform/core-api/src/com/intellij/util/AstLoadingFilter.java
index ac7265fbc480..7d1702f1ae79 100644
--- a/platform/core-api/src/com/intellij/util/AstLoadingFilter.java
+++ b/platform/core-api/src/com/intellij/util/AstLoadingFilter.java
@@ -8,6 +8,7 @@ import com.intellij.openapi.util.ThrowableComputable;
 import com.intellij.openapi.util.registry.Registry;
 import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiFile;
+import com.intellij.util.containers.ContainerUtil;
 import gnu.trove.THashSet;
 import org.jetbrains.annotations.NotNull;
 
@@ -64,6 +65,7 @@ import java.util.function.Supplier;
 public class AstLoadingFilter {
 
   private static final Logger LOG = Logger.getInstance(AstLoadingFilter.class);
+  private static final Set<String> ourReportedTraces = ContainerUtil.newConcurrentSet();
   /**
    * Holds not-null value if loading was disabled in current thread.
    * Initial value is {@code null} meaning loading is enabled by default.
@@ -85,7 +87,10 @@ public class AstLoadingFilter {
       // loading was disabled but then re-enabled for file
     }
     else {
-      LOG.error("Tree access disabled", new AstLoadingException(), new Attachment("debugInfo", buildDebugInfo(file, disabledInfo)));
+      AstLoadingException throwable = new AstLoadingException();
+      if (ourReportedTraces.add(ExceptionUtil.getThrowableText(throwable))) {
+        LOG.error("Tree access disabled", throwable, new Attachment("debugInfo", buildDebugInfo(file, disabledInfo)));
+      }
     }
   }