diff --git a/include/project.h b/include/project.h
index da5ade6b..b9669641 100644
--- a/include/project.h
+++ b/include/project.h
@@ -51,6 +51,8 @@ public:
     QMap<QString, QString> mapSecToMapHoverName;
     QMap<QString, int> mapSectionNameToValue;
     QMap<int, QString> mapSectionValueToName;
+    QStringList gfxNames;
+    QStringList songNames;
     QStringList itemNames;
     QStringList flagNames;
     QStringList varNames;
@@ -151,7 +153,6 @@ public:
     void saveTilesetPalettes(Tileset*);
 
     QString defaultSong;
-    QStringList getSongNames();
     QStringList getVisibilities();
     QMap<QString, QStringList> getTilesetLabels();
     bool readTilesetProperties();
@@ -173,9 +174,10 @@ public:
     bool readHealLocations();
     bool readMiscellaneousConstants();
     bool readEventScriptLabels();
+    bool readObjEventGfxConstants();
+    bool readSongNames();
 
     void loadEventPixmaps(QList<Event*> objects);
-    QMap<QString, int> getEventObjGfxConstants();
     QString fixPalettePath(QString path);
     QString fixGraphicPath(QString path);
 
diff --git a/src/core/event.cpp b/src/core/event.cpp
index 36b665bc..9dc69845 100644
--- a/src/core/event.cpp
+++ b/src/core/event.cpp
@@ -71,7 +71,7 @@ Event* Event::createNewObjectEvent(Project *project)
     Event *event = new Event;
     event->put("event_group_type", "object_event_group");
     event->put("event_type", EventType::Object);
-    event->put("sprite", project->getEventObjGfxConstants().keys().first());
+    event->put("sprite", project->gfxNames.first());
     event->put("movement_type", project->movementTypes.first());
     if (projectConfig.getObjectEventInConnectionEnabled()) {
         event->put("in_connection", false);
diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index 57bb3bff..df6682b3 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -941,7 +941,9 @@ bool MainWindow::loadDataStructures() {
                 && project->readMiscellaneousConstants()
                 && project->readSpeciesIconPaths()
                 && project->readWildMonData()
-                && project->readEventScriptLabels();
+                && project->readEventScriptLabels()
+                && project->readObjEventGfxConstants()
+                && project->readSongNames();
 
     return success && loadProjectCombos();
 }
@@ -960,7 +962,7 @@ bool MainWindow::loadProjectCombos() {
     const QSignalBlocker blocker7(ui->comboBox_Type);
 
     ui->comboBox_Song->clear();
-    ui->comboBox_Song->addItems(project->getSongNames());
+    ui->comboBox_Song->addItems(project->songNames);
     ui->comboBox_Location->clear();
     ui->comboBox_Location->addItems(project->mapSectionValueToName.values());
 
@@ -1954,8 +1956,6 @@ void MainWindow::updateSelectedObjects() {
         delete button;
     openScriptButtons.clear();
 
-    QMap<QString, int> event_obj_gfx_constants = editor->project->getEventObjGfxConstants();
-
     QList<EventPropertiesFrame *> frames;
 
     bool inConnectionEnabled = projectConfig.getObjectEventInConnectionEnabled();
@@ -2043,7 +2043,7 @@ void MainWindow::updateSelectedObjects() {
         if (event_type == EventType::Object) {
 
             frame->ui->sprite->setVisible(true);
-            frame->ui->comboBox_sprite->addItems(event_obj_gfx_constants.keys());
+            frame->ui->comboBox_sprite->addItems(editor->project->gfxNames);
             frame->ui->comboBox_sprite->setCurrentIndex(frame->ui->comboBox_sprite->findText(item->event->get("sprite")));
             connect(frame->ui->comboBox_sprite, &QComboBox::currentTextChanged, item, &DraggablePixmapItem::set_sprite);
             connect(frame->ui->comboBox_sprite, &QComboBox::currentTextChanged, this, &MainWindow::markMapEdited);
diff --git a/src/mainwindow_scriptapi.cpp b/src/mainwindow_scriptapi.cpp
index 95dff4d4..7ce31b4e 100644
--- a/src/mainwindow_scriptapi.cpp
+++ b/src/mainwindow_scriptapi.cpp
@@ -1078,8 +1078,7 @@ QString MainWindow::getSong() {
 void MainWindow::setSong(QString song) {
     if (!this->ui || !this->editor || !this->editor->project)
         return;
-    QStringList songs = this->editor->project->getSongNames();
-    if (!songs.contains(song)) {
+    if (!this->editor->project->songNames.contains(song)) {
         logError(QString("Unknown song '%1'").arg(song));
         return;
     }
diff --git a/src/project.cpp b/src/project.cpp
index ae739e99..260e2cce 100644
--- a/src/project.cpp
+++ b/src/project.cpp
@@ -2276,25 +2276,31 @@ bool Project::readMetatileBehaviors() {
     return true;
 }
 
-QStringList Project::getSongNames() {
+bool Project::readSongNames() {
     QStringList songDefinePrefixes{ "\\bSE_", "\\bMUS_" };
     QString filename = "include/constants/songs.h";
     fileWatcher.addPath(root + "/" + filename);
     QMap<QString, int> songDefines = parser.readCDefines(filename, songDefinePrefixes);
-    QStringList names = songDefines.keys();
-    this->defaultSong = names.value(0, "MUS_DUMMY");
-
-    return names;
+    this->songNames = songDefines.keys();
+    this->defaultSong = this->songNames.value(0, "MUS_DUMMY");
+    if (this->songNames.isEmpty()) {
+        logError(QString("Failed to read song names from %1.").arg(filename));
+        return false;
+    }
+    return true;
 }
 
-QMap<QString, int> Project::getEventObjGfxConstants() {
-    QStringList eventObjGfxPrefixes("\\bOBJ_EVENT_GFX_");
-
+bool Project::readObjEventGfxConstants() {
+    QStringList objEventGfxPrefixes("\\bOBJ_EVENT_GFX_");
     QString filename = "include/constants/event_objects.h";
     fileWatcher.addPath(root + "/" + filename);
-    QMap<QString, int> constants = parser.readCDefines(filename, eventObjGfxPrefixes);
-
-    return constants;
+    QMap<QString, int> gfxDefines = parser.readCDefines(filename, objEventGfxPrefixes);
+    this->gfxNames = gfxDefines.keys();
+    if (this->gfxNames.isEmpty()) {
+        logError(QString("Failed to read object event graphics constants from %1.").arg(filename));
+        return false;
+    }
+    return true;
 }
 
 bool Project::readMiscellaneousConstants() {
@@ -2424,8 +2430,6 @@ void Project::loadEventPixmaps(QList<Event*> objects) {
         return;
     }
 
-    QMap<QString, int> constants = getEventObjGfxConstants();
-
     fileWatcher.addPaths(QStringList() << root + "/" + "src/data/object_events/object_event_graphics_info_pointers.h"
                                        << root + "/" + "src/data/object_events/object_event_graphics_info.h"
                                        << root + "/" + "src/data/object_events/object_event_pic_tables.h"
diff --git a/src/ui/newmappopup.cpp b/src/ui/newmappopup.cpp
index 0d96f42b..2509fe18 100644
--- a/src/ui/newmappopup.cpp
+++ b/src/ui/newmappopup.cpp
@@ -116,7 +116,7 @@ void NewMapPopup::setDefaultValues(int groupNum, QString mapSec) {
     ui->comboBox_NewMap_Group->addItems(project->groupNames);
     ui->comboBox_NewMap_Group->setCurrentText(project->groupNames.at(groupNum));
 
-    ui->comboBox_Song->addItems(project->getSongNames());
+    ui->comboBox_Song->addItems(project->songNames);
 
     if (existingLayout) {
         ui->spinBox_NewMap_Width->setValue(project->mapLayouts.value(layoutId)->width.toInt(nullptr, 0));