diff --git a/src/main/java/org/orekit/rugged/errors/RuggedMessages.java b/src/main/java/org/orekit/rugged/errors/RuggedMessages.java
index f1c5905c514495ff89f8442b73d9042058ad35b4..498bb76187eee1e811c026119b98b5bff3ef9c07 100644
--- a/src/main/java/org/orekit/rugged/errors/RuggedMessages.java
+++ b/src/main/java/org/orekit/rugged/errors/RuggedMessages.java
@@ -82,7 +82,7 @@ public enum RuggedMessages implements Localizable {
     UNSUPPORTED_REFINING_CONTEXT("refining using {0} rugged instance is not handled"),
     NO_LAYER_DATA("no atmospheric layer data at altitude {0} (lowest altitude: {1})"),
     INVALID_STEP("step {0} is not valid : {1}"),
-    INVALID_RANGE_FOR_LINES("range between min line {0} and max line {1} too small {2}");
+    INVALID_RANGE_FOR_LINES("range between min line {0} and max line {1} is invalid {2}");
 
     // CHECKSTYLE: resume JavadocVariable check
 
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_da.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_da.utf8
index 5e00216f61fde761bd0195c84a5d222660b37667..481b1287d5fd18168f00cb34231bece12a5e750e 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_da.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_da.utf8
@@ -1,5 +1,5 @@
-# internal error, please notify development team by creating an issue at {0}
-INTERNAL_ERROR = <MISSING TRANSLATION>
+# internal error, contact maintenance at {0}
+INTERNAL_ERROR = intern fejl. Kontakt vedligeholdsansvarlig på {0}
 
 # no data at indices [{0}, {1}], tile only covers from [0, 0] to [{2}, {3}] (inclusive)
 OUT_OF_TILE_INDICES = ingen data fundet på [{0}, {1}], flisen dækker kun fra [0, 0] til [{2}, {3}] (inkluderet)
@@ -62,7 +62,7 @@ CANNOT_PARSE_LINE = kan ikke fortolke linje {0}, fil {1}: {2}
 LIGHT_TIME_CORRECTION_REDEFINED = lystidskorrektion omdefineret, linje {0}, fil {1}: {2}
 
 # aberration of light correction redefined, line {0}, file {1}: {2}
-ABERRATION_OF_LIGHT_CORRECTION_REDEFINED = aberrationskorrektion omdefineret, linje {0}, fil {1}: {2}
+ABERRATION_OF_LIGHT_CORRECTION_REDEFINED = lysaberrationskorrektion omdefineret, linje {0}, fil {1}: {2}
 
 # tile {0} already defined, line {1}, file {2}: {3}
 TILE_ALREADY_DEFINED = flise {0} allerede defineret, linje {1}, fil {2}: {3}
@@ -83,13 +83,13 @@ DUPLICATED_PARAMETER_NAME =  en anden parameter ned navnet {0} findes allerede
 INVALID_RUGGED_NAME = rugged navn blev ikke fundet
 
 # refining using {0} rugged instance is not handled
-UNSUPPORTED_REFINING_CONTEXT = <MISSING TRANSLATION>
+UNSUPPORTED_REFINING_CONTEXT = raffinering med rugged instansen {0} blev ikke håndteret
 
 # no atmospheric layer data at altitude {0} (lowest altitude: {1})
-NO_LAYER_DATA = ingen atsmosfæriske lagdata ved højden {0} (laveste højde: {1})
+NO_LAYER_DATA = ingen atmosfæriske lagdata ved højden {0} (laveste højde: {1})
 
 # step {0} is not valid : {1}
-INVALID_STEP = <MISSING TRANSLATION>
+INVALID_STEP = skridt {0} er ikke gyldigt : {1}
 
 # range between min line {0} and max line {1} too small {2}
-INVALID_RANGE_FOR_LINES = <MISSING TRANSLATION>
+INVALID_RANGE_FOR_LINES = interval mellem minimumslinje {0} og maksimumslinje {1} for lille {2}
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_de.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_de.utf8
index 8e5eec0be453a71746887f43ede52c8e029601dd..cbbcccf2505d5d366741c7f62a5fab3facfb277d 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_de.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_de.utf8
@@ -91,5 +91,5 @@ NO_LAYER_DATA = <MISSING TRANSLATION>
 # step {0} is not valid : {1}
 INVALID_STEP = <MISSING TRANSLATION>
 
-# range between min line {0} and max line {1} too small {2}
+# range between min line {0} and max line {1} is invalid {2}
 INVALID_RANGE_FOR_LINES = <MISSING TRANSLATION>
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_en.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_en.utf8
index b2ece59ec5d7b74229bbdbbbe52be997451b3cf5..074d93c73a97d8d12b9896831a881f0d5a9edf27 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_en.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_en.utf8
@@ -91,5 +91,5 @@ NO_LAYER_DATA = no atmospheric layer data at altitude {0} (lowest altitude: {1})
 # step {0} is not valid : {1}
 INVALID_STEP = step {0} is not valid : {1}
 
-# range between min line {0} and max line {1} too small {2}
-INVALID_RANGE_FOR_LINES = range between min line {0} and max line {1} too small {2}
+# range between min line {0} and max line {1} is invalid {2}
+INVALID_RANGE_FOR_LINES = range between min line {0} and max line {1} is invalid {2}
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_es.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_es.utf8
index d87e8831179780f1487255bb156d6fa74bb41b7f..0367a76b8e0787243e50d40c72cbd9c402d23e6e 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_es.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_es.utf8
@@ -91,5 +91,5 @@ NO_LAYER_DATA = no hay datos de atmósfera para la altitud {0} (altitud mínima:
 # step {0} is not valid : {1}
 INVALID_STEP = <MISSING TRANSLATION>
 
-# range between min line {0} and max line {1} too small {2}
+# range between min line {0} and max line {1} is invalid {2}
 INVALID_RANGE_FOR_LINES = <MISSING TRANSLATION>
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_fr.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_fr.utf8
index 51fea92cb8fa924a4886aecfc6c15064ddec2158..c2b780cb2c4bba5c4151cba0dbeef8f784501d1b 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_fr.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_fr.utf8
@@ -91,5 +91,5 @@ NO_LAYER_DATA = pas de couche atmosphérique définie pour l''altitude {0} (alti
 # step {0} is not valid : {1}
 INVALID_STEP = le pas {0} n''est pas valable : {1}
 
-# range between min line {0} and max line {1} too small {2}
-INVALID_RANGE_FOR_LINES = l''écart entre la ligne min {0} et la ligne max {1} est trop petite {2}
+# range between min line {0} and max line {1} is invalid {2}
+INVALID_RANGE_FOR_LINES = l''écart entre la ligne min {0} et la ligne max {1} est non valide {2}
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_gl.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_gl.utf8
index 0ef9263773ec899b8963da0e703925494524d4a6..202d074553386f55cafcb07b9d64a95b99537d02 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_gl.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_gl.utf8
@@ -91,5 +91,5 @@ NO_LAYER_DATA = <MISSING TRANSLATION>
 # step {0} is not valid : {1}
 INVALID_STEP = <MISSING TRANSLATION>
 
-# range between min line {0} and max line {1} too small {2}
+# range between min line {0} and max line {1} is invalid {2}
 INVALID_RANGE_FOR_LINES = <MISSING TRANSLATION>
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_it.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_it.utf8
index 8c037d41827239f67e60d51b266a973db356539c..3ea42fcc3fe605c2a7722489c4ab28948d75c276 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_it.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_it.utf8
@@ -1,5 +1,5 @@
-# internal error, please notify development team by creating an issue at {0}
-INTERNAL_ERROR = <MISSING TRANSLATION>
+# internal error, contact maintenance at {0}
+INTERNAL_ERROR = errore interno, contattare l''assistenza a {0}
 
 # no data at indices [{0}, {1}], tile only covers from [0, 0] to [{2}, {3}] (inclusive)
 OUT_OF_TILE_INDICES = nessun dato agli indici [{0}, {1}], il quadrante non copre che da [0, 0] a [{2}, {3}] inclusi
@@ -59,10 +59,10 @@ DEBUG_DUMP_NOT_ACTIVE = dump di debug non attivo per questo thread
 CANNOT_PARSE_LINE = impossibile analizzare la linea {0}, file{1}: {2}
 
 # light time correction redefined, line {0}, file {1}: {2}
-LIGHT_TIME_CORRECTION_REDEFINED = <MISSING TRANSLATION>
+LIGHT_TIME_CORRECTION_REDEFINED = Correzione luce-tempo ridefinita, linea {0} del file {1}: {2}
 
 # aberration of light correction redefined, line {0}, file {1}: {2}
-ABERRATION_OF_LIGHT_CORRECTION_REDEFINED = <MISSING TRANSLATION>
+ABERRATION_OF_LIGHT_CORRECTION_REDEFINED = Correzione dell''aberrazione stellare ridefinita, linea {0} del file {1}: {2}
 
 # tile {0} already defined, line {1}, file {2}: {3}
 TILE_ALREADY_DEFINED = quadrante {0} già definito, linea {1}, file {2}: {3}
@@ -89,7 +89,7 @@ UNSUPPORTED_REFINING_CONTEXT = il refining che usa {0} istanze rugged non è ges
 NO_LAYER_DATA = nessun dato atmosferico all''altitudine {0} (altitudine più bassa: {1})
 
 # step {0} is not valid : {1}
-INVALID_STEP = <MISSING TRANSLATION>
+INVALID_STEP = Step {0} non valido: {1}
 
 # range between min line {0} and max line {1} too small {2}
-INVALID_RANGE_FOR_LINES = <MISSING TRANSLATION>
+ INVALID_RANGE_FOR_LINES = Scarto fra la linea min {0} e la linea max {1} troppo piccolo {2}
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_no.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_no.utf8
index 624eccbd607b3a6c4606a8fce7bf139f28257ce2..41540df96e61b635fe5f9e1b6b41d568f93c6396 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_no.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_no.utf8
@@ -91,5 +91,5 @@ NO_LAYER_DATA = ikke noe atmosfærisk lag definert ved {0} (laveste høyde: {1})
 # step {0} is not valid : {1}
 INVALID_STEP = steget {0} er ikke gyldig: {1}
 
-# range between min line {0} and max line {1} too small {2}
+# range between min line {0} and max line {1} is invalid {2}
 INVALID_RANGE_FOR_LINES = avstanden mellom min linje {0} og max linje {1} er for liten {2}
diff --git a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_ro.utf8 b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_ro.utf8
index c1ed393e8c5cfea2eb6b0cbe5add53e36446df69..d9519d728a9beb01397bb342c0d82ec300e50d52 100644
--- a/src/main/resources/assets/org/orekit/rugged/RuggedMessages_ro.utf8
+++ b/src/main/resources/assets/org/orekit/rugged/RuggedMessages_ro.utf8
@@ -91,5 +91,5 @@ NO_LAYER_DATA = nu există informații referitoare la atmosferă pentru altitudi
 # step {0} is not valid : {1}
 INVALID_STEP = <MISSING TRANSLATION>
 
-# range between min line {0} and max line {1} too small {2}
+# range between min line {0} and max line {1} is invalid {2}
 INVALID_RANGE_FOR_LINES = <MISSING TRANSLATION>