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Fix Fatal error: Uncaught Error: [] operator not supported for strings

BT#13870
jmontoyaa %!s(int64=7) %!d(string=hai) anos
pai
achega
ecd72c7b6f

+ 1 - 1
src/Chamilo/CoreBundle/Entity/Repository/SequenceRepository.php

@@ -39,7 +39,7 @@ class SequenceRepository extends EntityRepository
     public function getRequirementAndDependencies($resourceId, $type)
     {
         $sequence = $this->findRequirementForResource($resourceId, $type);
-        $result = ['requirements' => '', 'dependencies' => ''];
+        $result = ['requirements' => '', 'dependencies' => []];
         if ($sequence && $sequence->hasGraph()) {
             $graph = $sequence->getSequence()->getUnSerializeGraph();
             $vertex = $graph->getVertex($resourceId);