diff --git a/files/custom/Espo/Modules/DataMigration/Services/EntityImporter.php b/files/custom/Espo/Modules/DataMigration/Services/EntityImporter.php
index 4d0c88a..9645bba 100644
--- a/files/custom/Espo/Modules/DataMigration/Services/EntityImporter.php
+++ b/files/custom/Espo/Modules/DataMigration/Services/EntityImporter.php
@@ -309,9 +309,16 @@ class EntityImporter
         return $newId;
     }
 
+    /** @var array<string, string[]> Cache of existing columns per table */
+    private array $tableColumnsCache = [];
+
+    /** @var array<string, string[]> Skipped columns log per entity type */
+    private array $skippedColumnsLog = [];
+
     private function insertWithRawSql(string $entityType, array $record, string $newId): void
     {
         $tableName = $this->camelCaseToUnderscore($entityType);
+        $existingColumns = $this->getTableColumns($tableName);
 
         // Convert camelCase fields to snake_case for SQL
         $columns = [];
@@ -325,15 +332,22 @@ class EntityImporter
                 continue;
             }
 
-            // Skip non-storable array/object fields that come from getValueMap
-            if (is_array($value) || is_object($value)) {
-                // JSON fields should be stored as JSON strings
-                if (is_array($value) || is_object($value)) {
-                    $value = json_encode($value, JSON_UNESCAPED_UNICODE);
+            $column = $this->camelCaseToUnderscore($field);
+
+            // Skip columns that don't exist in the target table
+            if (!in_array($column, $existingColumns)) {
+                if (!isset($this->skippedColumnsLog[$entityType][$column])) {
+                    $this->skippedColumnsLog[$entityType][$column] = true;
                 }
+
+                continue;
+            }
+
+            // JSON fields should be stored as JSON strings
+            if (is_array($value) || is_object($value)) {
+                $value = json_encode($value, JSON_UNESCAPED_UNICODE);
             }
 
-            $column = $this->camelCaseToUnderscore($field);
             $columns[] = "`{$column}`";
             $values[] = $value;
             $placeholders[] = '?';
@@ -344,14 +358,42 @@ class EntityImporter
 
         $sql = "INSERT INTO `{$tableName}` ({$columnStr}) VALUES ({$placeholderStr})";
 
-        try {
-            $pdo = $this->entityManager->getPDO();
-            $stmt = $pdo->prepare($sql);
-            $stmt->execute($values);
-        } catch (\Exception $e) {
-            // If column mismatch, try with just known columns
-            throw $e;
+        $pdo = $this->entityManager->getPDO();
+        $stmt = $pdo->prepare($sql);
+        $stmt->execute($values);
+    }
+
+    private function getTableColumns(string $tableName): array
+    {
+        if (isset($this->tableColumnsCache[$tableName])) {
+            return $this->tableColumnsCache[$tableName];
         }
+
+        $pdo = $this->entityManager->getPDO();
+        $sth = $pdo->query("SHOW COLUMNS FROM `{$tableName}`");
+        $columns = [];
+
+        while ($row = $sth->fetch(\PDO::FETCH_ASSOC)) {
+            $columns[] = $row['Field'];
+        }
+
+        $this->tableColumnsCache[$tableName] = $columns;
+
+        return $columns;
+    }
+
+    /**
+     * @return array<string, string[]> entityType => [skipped column names]
+     */
+    public function getSkippedColumns(): array
+    {
+        $result = [];
+
+        foreach ($this->skippedColumnsLog as $entityType => $columns) {
+            $result[$entityType] = array_keys($columns);
+        }
+
+        return $result;
     }
 
     private function resetAutoIncrement(string $entityType): void
diff --git a/files/custom/Espo/Modules/DataMigration/Services/ImportService.php b/files/custom/Espo/Modules/DataMigration/Services/ImportService.php
index 2af92d0..3305917 100644
--- a/files/custom/Espo/Modules/DataMigration/Services/ImportService.php
+++ b/files/custom/Espo/Modules/DataMigration/Services/ImportService.php
@@ -179,6 +179,18 @@ class ImportService
                 }
             }
         }
+
+        // Report skipped columns (missing in target DB)
+        $skippedColumns = $this->entityImporter->getSkippedColumns();
+
+        if (!empty($skippedColumns)) {
+            $io->writeLine('');
+            $io->writeLine('WARNING: Skipped columns not found in target database:');
+
+            foreach ($skippedColumns as $type => $columns) {
+                $io->writeLine("  {$type}: " . implode(', ', $columns));
+            }
+        }
     }
 
     private function entityTypeExists(string $entityType): bool