CODE:
$symbols_entity = new models\common\Symbols();
				$symbols_entity->setSymbol($symbol);
				$this->ci->em->persist($symbols_entity);
				$this->ci->em->flush();

ERROR:
PDOException [ HY093 ]: SQLSTATE[HY093]: Invalid parameter number: number of bound variables does not match number of tokens
APPPATH/libraries/Doctrine/DBAL/Statement.php [ 131 ]

126         $hasLogger = $this->_conn->getConfiguration()->getSQLLogger();
127         if ($hasLogger) {
128             $this->_conn->getConfiguration()->getSQLLogger()->startQuery($this->_sql, $this->_params);
129         }
130
131         $stmt = $this->_stmt->execute($params);
132
133         if ($hasLogger) {
134             $this->_conn->getConfiguration()->getSQLLogger()->stopQuery();
135         }
136         $this->_params = array();

APPPATH/libraries/Doctrine/DBAL/Statement.php [ 131 ] » PDOStatement->execute(arguments)

bound_input_params


126         $hasLogger = $this->_conn->getConfiguration()->getSQLLogger();
127         if ($hasLogger) {
128             $this->_conn->getConfiguration()->getSQLLogger()->startQuery($this->_sql, $this->_params);
129         }
130
131         $stmt = $this->_stmt->execute($params);
132
133         if ($hasLogger) {
134             $this->_conn->getConfiguration()->getSQLLogger()->stopQuery();
135         }
136         $this->_params = array();

APPPATH/libraries/Doctrine/ORM/Persisters/BasicEntityPersister.php [ 226 ] » Doctrine\DBAL\Statement->execute()

221                 foreach ($insertData[$tableName] as $column => $value) {
222                     $stmt->bindValue($paramIndex++, $value, $this->_columnTypes[$column]);
223                 }
224             }
225
226             $stmt->execute();
227
228             if ($isPostInsertId) {
229                 $id = $idGen->generate($this->_em, $entity);
230                 $postInsertIds[$id] = $entity;
231             } else {

APPPATH/libraries/Doctrine/ORM/UnitOfWork.php [ 698 ] » Doctrine\ORM\Persisters\BasicEntityPersister->executeInserts()

693                     $entities[] = $entity;
694                 }
695             }
696         }
697
698         $postInsertIds = $persister->executeInserts();
699
700         if ($postInsertIds) {
701             // Persister returned post-insert IDs
702             foreach ($postInsertIds as $id => $entity) {
703                 $oid = spl_object_hash($entity);

APPPATH/libraries/Doctrine/ORM/UnitOfWork.php [ 280 ] » Doctrine\ORM\UnitOfWork->executeInserts(arguments)

class Doctrine\ORM\Mapping\ClassMetadata Object
(
    [reflFields] => Array
        (
            [symbol_id] => ReflectionProperty Object
                (
                    [name] => symbol_id
                    [class] => models\common\Symbols
                )

            [exchange_id] => ReflectionProperty Object
                (
                    [name] => exchange_id
                    [class] => models\common\Symbols
                )

            [company] => ReflectionProperty Object
                (
                    [name] => company
                    [class] => models\common\Symbols
                )

            [symbol] => ReflectionProperty Object
                (
                    [name] => symbol
                    [class] => models\common\Symbols
                )

            [instrument_type] => ReflectionProperty Object
                (
                    [name] => instrument_type
                    [class] => models\common\Symbols
                )

        )

    [_prototype:Doctrine\ORM\Mapping\ClassMetadata:private] =>
    [name] => models\common\Symbols
    [namespace] => models\common
    [rootEntityName] => models\common\Symbols
    [customRepositoryClassName] =>
    [isMappedSuperclass] =>
    [parentClasses] => Array
        (
        )

    [subClasses] => Array
        (
        )

    [identifier] => Array
        (
            [0] => symbol_id
            [1] => exchange_id
        )

    [inheritanceType] => 1
    [generatorType] => 4
    [fieldMappings] => Array
        (
            [symbol_id] => Array
                (
                    [fieldName] => symbol_id
                    [type] => integer
                    [length] => 10
                    [precision] => 0
                    [scale] => 0
                    [nullable] =>
                    [unique] =>
                    [id] => 1
                    [columnName] => symbol_id
                )

            [exchange_id] => Array
                (
                    [fieldName] => exchange_id
                    [type] => integer
                    [length] => 10
                    [precision] => 0
                    [scale] => 0
                    [nullable] =>
                    [unique] =>
                    [id] => 1
                    [columnName] => exchange_id
                )

            [company] => Array
                (
                    [fieldName] => company
                    [type] => string
                    [length] => 150
                    [precision] => 0
                    [scale] => 0
                    [nullable] => 1
                    [unique] =>
                    [columnName] => company
                )

            [symbol] => Array
                (
                    [fieldName] => symbol
                    [type] => string
                    [length] => 8
                    [precision] => 0
                    [scale] => 0
                    [nullable] =>
                    [unique] =>
                    [columnName] => symbol
                )

            [instrument_type] => Array
                (
                    [fieldName] => instrument_type
                    [type] => string
                    [length] => 8
                    [precision] => 0
                    [scale] => 0
                    [nullable] => 1
                    [unique] =>
                    [columnName] => instrument_type
                )

        )

    [fieldNames] => Array
        (
            [symbol_id] => symbol_id
            [exchange_id] => exchange_id
            [company] => company
            [symbol] => symbol
            [instrument_type] => instrument_type
        )

    [columnNames] => Array
        (
            [symbol_id] => symbol_id
            [exchange_id] => exchange_id
            [company] => company
            [symbol] => symbol
            [instrument_type] => instrument_type
        )

    [discriminatorValue] =>
    [discriminatorMap] => Array
        (
        )

    [discriminatorColumn] =>
    [table] => Array
        (
            [name] => symbols
        )

    [lifecycleCallbacks] => Array
        (
        )

    [associationMappings] => Array
        (
        )

    [isIdentifierComposite] => 1
    [idGenerator] => Doctrine\ORM\Id\IdentityGenerator Object
        (
            [_seqName:Doctrine\ORM\Id\IdentityGenerator:private] =>
        )

    [sequenceGeneratorDefinition] =>
    [tableGeneratorDefinition] =>
    [changeTrackingPolicy] => 1
    [isVersioned] =>
    [versionField] =>
    [reflClass] => ReflectionClass Object
        (
            [name] => models\common\Symbols
        )

)



275
276         $conn->beginTransaction();
277         try {
278             if ($this->entityInsertions) {
279                 foreach ($commitOrder as $class) {
280                     $this->executeInserts($class);
281                 }
282             }
283
284             if ($this->entityUpdates) {
285                 foreach ($commitOrder as $class) {

APPPATH/libraries/Doctrine/ORM/EntityManager.php [ 324 ] » Doctrine\ORM\UnitOfWork->commit()

319      *         makes use of optimistic locking fails.
320      */
321     public function flush()
322     {
323         $this->errorIfClosed();
324         $this->unitOfWork->commit();
325     }
326
327     /**
328      * Finds an Entity by its identifier.
329      *

APPPATH/libraries/jungle_lib.php [ 638 ] » Doctrine\ORM\EntityManager->flush()