diff --git a/module/custom/config.php b/module/custom/config.php
index 4b000df4ce..29873486f9 100644
--- a/module/custom/config.php
+++ b/module/custom/config.php
@@ -53,7 +53,7 @@ $config->custom->fieldList['task']['edit']           = 'pri,estimate,estStarted,
 $config->custom->fieldList['task']['finish']         = 'comment';
 $config->custom->fieldList['task']['activate']       = 'assignedTo,comment';
 $config->custom->fieldList['build']                  = 'scmPath,filePath,desc';
-$config->custom->fieldList['bug']['create']          = 'module,project,deadline,type,os,browser,severity,pri,steps,keywords';
+$config->custom->fieldList['bug']['create']          = 'module,deadline,type,os,browser,severity,pri,steps,keywords';
 $config->custom->fieldList['bug']['edit']            = 'plan,assignedTo,deadline,type,os,browser,severity,pri,steps,keywords';
 $config->custom->fieldList['bug']['resolve']         = 'resolvedBuild,resolvedDate,assignedTo,comment';
 $config->custom->fieldList['testcase']['create']     = 'stage,story,pri,precondition,keywords';
diff --git a/module/upgrade/model.php b/module/upgrade/model.php
index db57a0e47c..36bf1fac6e 100644
--- a/module/upgrade/model.php
+++ b/module/upgrade/model.php
@@ -688,6 +688,11 @@ class upgradeModel extends model
             $this->saveLogs('Execute 15_0_3');
             $this->execSQL($this->getUpgradeFile('15.0.3'));
             $this->appendExec('15_0_3');
+        case '15_3':
+            $this->saveLogs('Execute 15_3');
+            $this->execSQL($this->getUpgradeFile('15.3'));
+            $this->adjustBugRequired();
+            $this->appendExec('15_3');
         }
 
         $this->deletePatch();
@@ -5141,4 +5146,24 @@ class upgradeModel extends model
             $this->loadModel("gitlab")->initWebhooks($products, $gitlabID, $gitlabProject);
         }
     }
+
+    /**
+     * Required to adjust the bug.
+     *
+     * @access public
+     * @return void
+     */
+    public function adjustBugRequired()
+    {
+        $data = $this->dao->select('*')->from(TABLE_CONFIG)
+            ->where('owner')->eq('system')
+            ->andWhere('module')->eq('bug')
+            ->andWhere('section')->eq('create')
+            ->andWhere('`key`')->eq('requiredFields')
+            ->fetch();
+
+        $data->value = ',' . $data->value . ',';
+        $data->value = str_replace(',project,', ',', $data->value);
+        $this->dao->update(TABLE_CONFIG)->set('value')->eq(trim($data->value, ','))->where('id')->eq($data->id)->exec();
+    }
 }