diff --git a/index.json b/index.json
index 4bbb35eabc6fefdcbc0c4b1ade7d77591b45d77e..e4a058198d2e7dc46096aaf0dd41729736f2f519 100644
--- a/index.json
+++ b/index.json
@@ -1,6 +1,6 @@
 {
-	"version": "LTP01-03_1.1.0",
-	"release_date": "20221021",
+	"version": "LTP01-03_1.2.0",
+	"release_date": "20231113",
 	"descr": "Calibration package for LTP01-03",
 	"author": "Metis team",
 	"DOI": "",
@@ -298,7 +298,7 @@
 			{
 				"date": "",
 				"file_name": "demod/11.fits",
-				"error": "demod/11.fits",
+				"error": "demod/11_err.fits",
 				"angle": 181.8,
 				"stokes": "I",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -308,7 +308,7 @@
 			{
 				"date": "",
 				"file_name": "demod/12.fits",
-				"error": "demod/12.fits",
+				"error": "demod/12_err.fits",
 				"angle": 49.1,
 				"stokes": "I",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -318,7 +318,7 @@
 			{
 				"date": "",
 				"file_name": "demod/13.fits",
-				"error": "demod/13.fits",
+				"error": "demod/13_err.fits",
 				"angle": 84.3,
 				"stokes": "I",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -328,7 +328,7 @@
 			{
 				"date": "",
 				"file_name": "demod/14.fits",
-				"error": "demod/14.fits",
+				"error": "demod/14_err.fits",
 				"angle": 133.2,
 				"stokes": "I",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -338,7 +338,7 @@
 			{
 				"date": "",
 				"file_name": "demod/21.fits",
-				"error": "demod/21.fits",
+				"error": "demod/21_err.fits",
 				"angle": 181.8,
 				"stokes": "Q",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -348,7 +348,7 @@
 			{
 				"date": "",
 				"file_name": "demod/22.fits",
-				"error": "demod/22.fits",
+				"error": "demod/22_err.fits",
 				"angle": 49.1,
 				"stokes": "Q",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -358,7 +358,7 @@
 			{
 				"date": "",
 				"file_name": "demod/23.fits",
-				"error": "demod/23.fits",
+				"error": "demod/23_err.fits",
 				"angle": 84.3,
 				"stokes": "Q",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -368,7 +368,7 @@
 			{
 				"date": "",
 				"file_name": "demod/24.fits",
-				"error": "demod/24.fits",
+				"error": "demod/24_err.fits",
 				"angle": 133.2,
 				"stokes": "Q",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -378,7 +378,7 @@
 			{
 				"date": "",
 				"file_name": "demod/31.fits",
-				"error": "demod/31.fits",
+				"error": "demod/31_err.fits",
 				"angle": 181.8,
 				"stokes": "U",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -388,7 +388,7 @@
 			{
 				"date": "",
 				"file_name": "demod/32.fits",
-				"error": "demod/32.fits",
+				"error": "demod/32_err.fits",
 				"angle": 49.1,
 				"stokes": "U",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -398,7 +398,7 @@
 			{
 				"date": "",
 				"file_name": "demod/33.fits",
-				"error": "demod/33.fits",
+				"error": "demod/33_err.fits",
 				"angle": 84.3,
 				"stokes": "U",
 				"descr": "Demodulation tensor element for nominal voltages",
@@ -408,7 +408,7 @@
 			{
 				"date": "",
 				"file_name": "demod/34.fits",
-				"error": "demod/34.fits",
+				"error": "demod/34_err.fits",
 				"angle": 133.2,
 				"stokes": "U",
 				"descr": "Demodulation tensor element for nominal voltages",