diff --git a/src/core/libraries/error_codes.h b/src/core/libraries/error_codes.h
index 74aeef674..ad973ce3b 100644
--- a/src/core/libraries/error_codes.h
+++ b/src/core/libraries/error_codes.h
@@ -472,3 +472,56 @@ constexpr int ORBIS_AVPLAYER_ERROR_INFO_OTHER_ENCRY = 0x806A00BF;
 
 // AppContent library
 constexpr int ORBIS_APP_CONTENT_ERROR_PARAMETER = 0x80D90002;
+
+// Ngs2 library
+constexpr int ORBIS_NGS2_ERROR_INVALID_PARAMETERS = 0x804A0001;
+constexpr int ORBIS_NGS2_ERROR_INVALID_MAXIMUM_GRAIN_SAMPLES = 0x804A0050;
+constexpr int ORBIS_NGS2_ERROR_INVALID_GRAIN_SAMPLES = 0x804A0051;
+constexpr int ORBIS_NGS2_ERROR_INVALID_CHANNELS = 0x804A0052;
+constexpr int ORBIS_NGS2_ERROR_INVALD_ADDRESS = 0x804A0053;
+constexpr int ORBIS_NGS2_ERROR_INVALD_SIZE = 0x804A0054;
+constexpr int ORBIS_NGS2_ERROR_INVALID_OPTION_SIZE = 0x804A0081;
+constexpr int ORBIS_NGS2_ERROR_INVALID_RACK_OPTION_MAX_MATRICES = 0x804A0100;
+constexpr int ORBIS_NGS2_ERROR_INVALID_RACK_OPTION_MAX_PORTS = 0x804A0101;
+constexpr int ORBIS_NGS2_ERROR_INVALID_RACK_OPTION_MAX_INPUT_DELAY_BLOCKS = 0x804A0102;
+constexpr int ORBIS_NGS2_ERROR_INVALID_MATRIX_LEVELS = 0x804A0150;
+constexpr int ORBIS_NGS2_ERROR_SAMPLER_WAVEFORM_TERMINATED = 0x804A0151;
+constexpr int ORBIS_NGS2_ERROR_INVALID_ENVELOPE_POINTS = 0x804A0152;
+constexpr int ORBIS_NGS2_ERROR_INVALID_MATRIX_LEVEL_ADDRESS = 0x804A0153;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLER_WAVEFORM_BLOCK_ADDRESS = 0x804A0154;
+constexpr int ORBIS_NGS2_ERROR_INVALID_ENVELOPE_POINT_ADDRESS = 0x804A0155;
+constexpr int ORBIS_NGS2_ERROR_INVALID_HANDLE = 0x804A0200;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLE_RATE = 0x804A0201;
+constexpr int ORBIS_NGS2_ERROR_INVALID_REPORT_HANDLE = 0x804A0204;
+constexpr int ORBIS_NGS2_ERROR_INVALID_BUFFER_INFO = 0x804A0206;
+constexpr int ORBIS_NGS2_ERROR_INVALID_BUFFER_ADDRESS = 0x804A0207;
+constexpr int ORBIS_NGS2_ERROR_INVALID_BUFFER_ALIGNMENT = 0x804A0208;
+constexpr int ORBIS_NGS2_ERROR_INVALID_BUFFER_SIZE = 0x804A0209;
+constexpr int ORBIS_NGS2_ERROR_INVALID_BUFFER_ALLOCATOR = 0x804A020A;
+constexpr int ORBIS_NGS2_ERROR_BUFFER_VERIFY_FAILED = 0x804A020B;
+constexpr int ORBIS_NGS2_ERROR_MODULE_PLAYER_DATA_EMPTY = 0x804A020C;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SYSTEM_HANDLE = 0x804A0230;
+constexpr int ORBIS_NGS2_ERROR_INVALID_RACK_ID = 0x804A0260;
+constexpr int ORBIS_NGS2_ERROR_INVALID_RACK_HANDLE = 0x804A0261;
+constexpr int ORBIS_NGS2_ERROR_INVALID_VOICE_HANDLE = 0x804A0300;
+constexpr int ORBIS_NGS2_ERROR_INVALID_VOICE_INDEX = 0x804A0302;
+constexpr int ORBIS_NGS2_ERROR_INVALID_VOICE_EVENT = 0x804A0303;
+constexpr int ORBIS_NGS2_ERROR_INVALID_VOICE_PORT_INDEX = 0x804A0304;
+constexpr int ORBIS_NGS2_ERROR_INVALID_VOICE_INPUT_OR_RACK_OCCUPIED = 0x804A0305;
+constexpr int ORBIS_NGS2_ERROR_INVALID_CONTROL_ID = 0x804A0308;
+constexpr int ORBIS_NGS2_ERROR_INVALID_VOICE_CONTROL_PARAMETER = 0x804A0309;
+constexpr int ORBIS_NGS2_ERROR_INVALID_PARAMETER_SIZE = 0x804A030A;
+constexpr int ORBIS_NGS2_ERROR_DETECTED_CIRCULAR_VOICE_CONTROL = 0x804A030B;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLER_WAVEFORM_DATA = 0x804A0400;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLER_WAVEFORM_FORMAT = 0x804A0401;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLER_WAVEFORM_TYPE_NO_ATRAC9_DECODERS = 0x804A0402;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLER_ATRAC9_CONFIG_DATA = 0x804A0403;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLER_WAVEFORM_SAMPLE_RATE = 0x804A0404;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLER_WAVEFORM_FRAME = 0x804A0405;
+constexpr int ORBIS_NGS2_ERROR_INVALID_SAMPLER_WAVEFORM_ADDRESS = 0x804A0406;
+constexpr int ORBIS_NGS2_ERROR_INVALID_ENVELOPE_CURVE = 0x804A0500;
+constexpr int ORBIS_NGS2_ERROR_INVALID_FILTER_INDEX = 0x804A0600;
+constexpr int ORBIS_NGS2_ERROR_INVALID_FILTER_TYPE = 0x804A0601;
+constexpr int ORBIS_NGS2_ERROR_INVALID_FILTER_LOCATION = 0x804A0602;
+constexpr int ORBIS_NGS2_ERROR_INVALID_LFE_CUT_OFF_FREQUENCY = 0x804A0603;
+constexpr int ORBIS_NGS2_ERROR_INVALID_MATRIX_INDEX_OR_TYPE = 0x804A0700;
\ No newline at end of file